Answers
Answer: light, sound, gases, and solids
Explanation:
You see lightning before you hear thunder because
✔ light
waves travel faster than
✔ sound
waves.
Light waves travel the slowest through
✔ solids
Sound waves travel the slowest through
✔ gases
and fastest through
✔ solids
Related Questions
Complete each sentence by dragging each word or phrase to the proper position. Then arrange the sentences into the order of occurrence of motor impulses of the ANS.
1. Action potentials travel along the nerve fiber and enter the__________.
2. Fibers exiting the take one of three routes: the spinal nerve route, the sympathetic nerve route, and the _________nerve route.
3. Arriving at target cells_______ nerve fibers release acetylcholine or norepinephrine into the synaptic cleft.
4. Also known as the________ division, the sympathetic nervous system exits the preganglionic CNS via the spinal nerves from T1-L2.
5. The effect of norepinephrine binding to_______ receptors stimulates cardiac muscle cells. i. postganglionic
ii. sympathetic chain ganglia,
iii. craniosacral
iv. thoracolumbar
v. cholinergic
vi. preganglionic
vii. adrenergic
viii. splanchnic
Answers
Answer:
1. vi. Preganglionic
2. vii. adrenergic
3. ii. sympathetic chain ganglia
4. iii. Craniosacral
5. viii. splanchnic
Explanation:
Action potential travel down preganglionic nerve fibre. They travel towards Vagus Nerve near the effector organ. These impulses arrive at cardiac plexus, which create action potential in postganlianic.
A cell that connects the body to receive the signal from the brain to do the action is called a neuron and the tissue system is called the nervous system.
The answer to the following question is as follows:-
Action potentials travel along with the nerve fiber and enter the Preganglionic Fibers exiting take one of three routes: the spinal nerve route, the sympathetic nerve route, and the adrenergic nerve route. Arriving at target cells sympathetic chain ganglia nerve fibers release acetylcholine or norepinephrine into the synaptic cleft. Also known as the Craniosacral division, the sympathetic nervous system exits the preganglionic CNS via the spinal nerves from T1-L2.The effect of norepinephrine binding to splanchnic receptors stimulates cardiac muscle cells.Hence, these are the answer to the question.
For more information, refer to the link:-
https://brainly.com/question/3523174
Which phrase defines part of speech? (1 point)
O the word that is being looked up
O the exact meaning of a word
O the role of a word in a sentencce
o the correct way to say a word
Answers
2. ______ are made up of at least one cell. Which word best fits in the blank? * 1 point A. Animals B. All living things C. Plants D. Atoms
Answers
Living things are made up of at least one cell which is option B.
Living things explained.
Living things are organisms that have one or more cells and have life i.e they can breathe.
Living things are organisms that can perform some essential processes and has the ability to maintain their internal environment.
Some essential processes perform by living things are metabolism, respiration and so on.
The mature characteristics of living things are movement, respiration, nutrition, irritabilility, growth, excretiuon, reproduction and death.
Examples of living things are plants and animals.
Therefore, living things are composed of one or more cells and have a complex organization that help them to maintain their internal environment.
Learn more about living things below.
https://brainly.com/question/280237
#SPJ1
Create some GREAT SCIENTIFIC game of hide and seek to play in class.
Answers
Answer:
you can place scientific terms around the classroom and the kids must work in groups to find the cards. Then you let the kids read the terms at the end.
Explanation:
The Family of elements whose atoms have their outer layers of electrons completely filled making their very, very stable is the ___________ family.
Answers
Answer:
Nobel gases
Explanation:
Hope it helps!
Love your profile picture!
When substances are constantly moving
back and forth across a cell membrane, the
cell is said to be in a state of?
Answers
The diffusion of water molecules a secectively permeable membrane.
What is Diffusion?The net passive movement of molecules or particles from areas of higher concentration to areas of lower concentration is known as diffusion. There needs to be a concentration gradient for diffusion to happen.
The dissimilarity in the quantity of solutes, particles, or molecules between the two locations will drive them to travel between the two regions.
The gradient created by the uneven particle concentration between two fluids will cause the particles to move in order to balance the discrepancy in concentrations. However, solutes do not migrate in a single direction during the diffusion process.
Therefore, The diffusion of water molecules a selectively permeable membrane.
To learn more about diffusion, refer to the link:
https://brainly.com/question/13513898
#SPJ6
Please help !!!!!!!!!!!
Answers
Answer:
1) Weathering, Erosion, Disposition
2) Physical weathering is the breakdown of large rocks into fragments by physical forces; the chemical composition of the rock is not changed. Chemical weathering is the breakdown of rock by chemical reactions; the chemical composition is changed.
3) The four forces of erosion are water, wind, gravity, and glaciers.
4) Because the velocity of the river slows down a great deal when it reaches the large body of water, the sediment that the river was carrying is deposited along the mouth of the large body of water.
--------------------------------------------------------------------------------------------------------
Abrasion: Abrasion is the breaking down and wearing away of rock material by the mechanical action of another rock. Three agents of physical weathering that cause abrasion are moving water, wind, and gravity. Also, rocks suspended in thence of a glacier can cause abrasion of other rocks on Earth's surface. This would be a prime example of physical weathering, or mechanical weathering.
----------------------------------------------------------------------------------------------------------
Acid Precipitation: Acid rain causes less erosion than normal rainwater does. Rainwater can break down rocks by dissolving minerals in the rocks. Acid rain is rainwater that is more acidic than normal rainwater. Acid rain can also dissolve the minerals in rocks faster than normal rainwater can. This is chemical weathering.
--------------------------------------------------------------------------------------------------------
Animal actions: Animal and plant mobility is a factor in biological weathering. For instance, a plant may grow in a gap in a rock and, as its roots spread, cause the fracture to expand. A rabbit may also burrow into a crack in a rock, making it wider and eventually separating the rock. This is an example of physical weathering.
---------------------------------------------------------------------------------------------------------
Ice wedging: Ice wedging ,sometimes known as frost wedging ,can also cause rocks to break apart. Ice wedging causes cracks in rocks to expand as water seeps in and the water freezes and expands opening the crack further. Rocks formed under pressure deep within earth can become exposed at the surface. This is physical weathering
----------------------------------------------------------------------------------------------------------
Oxidation: Oxidation is another kind of chemical weathering. It occurs when oxygen from air dissolves in water and combines with chemicals in the rocks to form oxides. if the rock contains a lot of iron, then oxidation produces a brown material called iron oxide. This looks like rust on the rock.
What is the difference between weathering erosion and deposition?Weathering is the chemical and mechanical breakdown of exposed rock. The chemical changes alter the minerals and make them softer, and mechanical weathering physically breaks rock into smaller and smaller pieces.
Erosion is the REMOVAL of those chemically and mechanically softer and broken pieces of rock from their original locations, by gravity, water, ice or wind. Erosion is transport (and as a result, fresh unaltered rock is exposed to wind, water and weather, and THAT becomes weathered in turn). The material being transported is ‘sediment’: sand, silt, mud and gravel.
Deposition is when the weathered and eroded (transported) material is dropped and settles down elsewhere, forming a ‘deposit’ of transported rock material.
If this deposit remains undisturbed long enough, and is buried by enough arriving material, it will eventually go through compaction and chemical reactions forming cement between the grains - thus resulting in a brand new, sedimentary rock.
Weathering, erosion, transport, deposition, compaction and cementation are part of the ‘rock cycle’.
How can the complete rock cycle be described?Let’s start with basalt that form at mid ocean spreading centers. At mid ocean spreading centers rock material from the earth’s mantle continuously melts due to continuous decreasing in pressure from the oceanic crust spreading at this point. The molten rock quickly cools at the earth’s surface and forms rock known as basalt that makes up the oceanic crust all over the world. The newly produced oceanic crust rock slowly moves towards a boundary with a continental crust where the oceanic crust subducts beneath the continental crust due to the oceanic crust having a higher density than the continental crust. This is where things get a bit more interesting.
#SPJ1
4) Pick an outdoor location and identify several living and nonliving things.
5) List at least one thing that you are not sure about.
6) Write an argument including three reasons why one person might call it
living and three reasons why another might call it nonliving (4-6
sentences)
Answers
I pick a forest close to the road.
the living things in the forest include
TreesShrubsFlowersGrassFernsMossesBirdsInsectsMammals (such as deer)Reptiles (such as snakes and lizards)the non living things there include
RocksSoilWater (there is a stream present)SunlightAirRainSnowCloudsDust and debrisOne thing am not sure about is the mushroom
Is the mushroom a living or non living thing?Mushrooms can be seen as both living and non-living because they are a type of fungus.
Fungi are unique organisms that are distinct from plants, animals, and bacteria. Like plants, they are able to produce their own food through the process of photosynthesis or by breaking down organic matter.
However, unlike plants, they do not have chlorophyll and are not able to produce their own food through photosynthesis.
Additionally, unlike animals, they do not have the ability to move or respond to stimuli. Due to this unique combination of characteristics, mushrooms can be considered both living and non-living.
Learn more about living things here https://brainly.com/question/1879021
#SPJ1
11. What would happen if a mutation occurred but it still coded for the correct amino acid?
Answers
Answer: If a mutation occurred in a DNA sequence but it still coded for the correct amino acid, the overall function of the protein that the gene encodes would likely not be affected.
Explanation: This is because the genetic code is redundant, meaning that multiple different DNA sequences can code for the same amino acid. However, it is also possible that the mutation could affect the function of the protein in other ways, such as by changing its structure or the way it interacts with other molecules. It's also worth noting that not all mutations have a significant effect on the organism, and some may even be beneficial.
A crossover in meiosis is an exchange of genetic material between
A) sister chromatids of the same chromosome.
B) sister chromatids of homologous chromosomes.
C) sister chromatids of non-homologous chromosomes.
D) non-sister chromatids of homologous chromosomes.
E) non-sister chromatids of non-homologous chromosomes.
2.
A tetrad is made up of
A) four non-homologous chromosomes.
B) four non-homologous chromatids.
C) four homologous pairs of chromosomes.
D) two homologous pairs of chromosomes.
E) two homologous chromosomes, each consisting of two chromatids.
3.
Which of the following statements about crossing over is TRUE?
A) It occurs only in males.
B) It occurs only in some chromosomes.
C) It occurs only between genes that are heterozygous.
D) It results in reduced genetic variation among gametes.
E) None of the above
4.
Crossing-over occurs during prophase I of meiosis.
A) True
B) False
5.
Crossing-over allows the reassortment of linked genes.
A) True
B) False
Answers
A crossover in meiosis is an exchange of genetic material between
A) sister chromatids of the same chromosome.
B) sister chromatids of homologous chromosomes.
C) sister chromatids of non-homologous chromosomes.
D) non-sister chromatids of homologous chromosomes.
E) non-sister chromatids of non-homologous chromosomes. ✓
During meiosis, the two chromosomes in each parent,swipe their place resulting in a hybrid new genetic material2.A tetrad is made up of
A) four non-homologous chromosomes.
B) four non-homologous chromatids.
C) four homologous pairs of chromosomes.
D) two homologous pairs of chromosomes.
E) two homologous chromosomes, each consisting of two chromatids. ✓
Tetrad is a group of four chromatids formed in pachytene stage of meiosis3. Which of the following statements about crossing over is TRUE?
A) It occurs only in males.
B) It occurs only in some chromosomes.
C) It occurs only between genes that are heterozygous.
D) It results in reduced genetic variation among gametes.
E) None of the above ✓
The process of crossing over takes place between homologous chromosomes to increase genetic diversity4.Crossing-over occurs during prophase I of meiosis.
A) True ✓
B) False
crossing over helps in genetic variation and occurrs between prophase 1 & metaphase 15. Crossing-over allows the reassortment of linked genes.
A) True ✓
B) False
Crossing over helps in the reassortment of non-sister chromatids of non-homologous chromosomesCrossing over may be defined as the process through which the exchange of genetic material between homologous chromosomes takes place that results in the mixture of parental characteristics in the offspring.
According to the context of this question, the process of crossing over takes place during the Pachytene stage of meiosis which significantly involves the reassortment of linked genes.
Therefore, each of the given questions is well answered above.
To learn more about Crossing over, refer to the link:
https://brainly.com/question/927405
#SPJ2
1) Research biotechnology that currently exists describing the engineering design that made it possible.
2) Evaluate the design listed in problem 1 paying particular attention to benefits and risks.
Answers
The field of biotechnology combines biological and technological ideas. The main advantage that biotechnology can offer is advancement in engineering.
Benefits of biotechnology include the ability to simultaneously increase health and decrease hunger. It makes the food chain more flexible. It provides chances for medicinal advancement. We can conserve resources because of it. It assists us in reducing or eliminating waste. It may lower the prevalence of infectious diseases. Among biotechnology's drawbacks, this area of study has a lot of unanswered questions. It results in an all-or-nothing strategy. Croplands could be destroyed. It makes the value of human life a commodity. It is capable of being destroyed.
All the advantages that biotechnology can offer could be utilized to create a weapon of mass devastation. Unchecked biotechnology might potentially give rise to a social stratum that exists solely for scientific purposes.
To learn more about biotechnology please visit -
https://brainly.com/question/12871062
#SPJ1
Palisade mesophyll cells have very large vacuoles.
Explain how water moves from the xylem in the leaf into these vacuoles.
Answers
Answer:
Images
Books
News
Shopping
Videos
Maps
Flights
Finance
All filters
1-Water is passively transported into the roots and then into the xylem. 2-The forces of cohesion and adhesion cause the water molecules to form a column in the xylem. 3- Water moves from the xylem into the mesophyll cells, evaporates from their surfaces and leaves the plant by diffusion through the stomata.
Which of the following is an organism whose cells each contain a membrane
bound nucleus?
Answers
Answer:
D. Eukaryote
Explanation:
An organism that has membrane-bound organelles will have more complex organelles like mitochondria, Golgi apparatus, and ER. These are known as Eukaryotes. Additionally, they will have a nucleus that has the DNA coiled inside. Prokaryotes do not have membrane-bound organelle and the DNA floats in the cytoplasm. Most plants and animals are eukaryotes and all multicellular organisms are too.
How does a catalyst influence a chemical reaction?
Answers
Answer: A catalyst speeds up a chemical reaction, without being consumed by the reaction. It increases the reaction rate by lowering the activation energy for a reaction. ... Remember that with a catalyst, the average kinetic energy of the molecules remains the same but the required energy decreases
Explanation:
The feces of birds and mammals can also be used to assess ecosystem health. Research this methodology and provide two examples of animals used for these studies and the types of materials that are identified in their feces
Answers
Answer:
Birds and leopard
Explanation:
It has been researched and discovered that the feces of birds and animals can be used to determine the state of health of an ecosystem.
For example, it has been discovered that hormones and other substances are excreted through urine and feces. And researchers have discovered from the feces of leopards, that a leopard that has cave or trees where it can hide from hunters are not likely to be stressed out like the one that does not have.
MEIOSIS I is a unique process in organisms. Please explain its steps here and why it is unique
Answers
Answer:
it seperates the homologous glands and then reduces the diploid cell to a haploid cell. it sathes are prophase metaphase anaphase and telophase
Genes can be turned on or turned off; not all genes are active at one time.
False
True
B
Answers
Answer:
False
Explanation:
People have recessive genes that are not expressed phenotypically in one's gene pool, but after birth, genes cannot be 'switched' on or off, nor are particular genes active at certain times.
What would be a probable blood sugar level for a person B at 3.5 hours
Answers
Answer: 212.5 ml/L
Explanation:
What would be a probable blood sugar level for person B at 3.5 hours? 212.5 ml/L 9.
In general when will organisms complete for space food and other resources
Answers
In general, organisms will compete for space, food, and other resources when there are more offspring produced than the environment can support as the principle of population growth, where population growth is limited by the availability of resources in a given area.
As organisms continue to reproduce, the population will eventually reach a point where there are not enough resources to support all of the individuals. This leads to competition between individuals for access to those resources.
For example, in a forest ecosystem, trees compete for sunlight, water, and nutrients in the soil. Similarly, animals compete for food, shelter, and space. Organisms that are better adapted to the environment and have more efficient strategies for acquiring resources will have an advantage in the competition and will be more likely to survive and reproduce.
To learn more about organisms follow the link:
https://brainly.com/question/17164427
#SPJ1
The correct question is:
In general when will organisms complete for space food and other resources. Organisms produce many more offspring than the environment can support. Explain.
Explain the following statement: "Selection occurs within
generations; evolution occurs between generations."
Answers
Answer: Selection occurs within generations; evolution occurs between generations. All four of Darwin's postulates are true for the medium ground finch population on Daphne Major. Darwin's theory therefore predicts a change in the composition of the population from one generation to the next. In biology, evolution is the change in the inherited traits of a population from generation to generation. ... Natural selection is a process that causes heritable traits that are helpful for survival and reproduction to become more common, and harmful traits to become more rare.
Explanation:
Natural selection is the process by which heritable qualities that help with survival and reproduction become more common while harmful traits become rare
Evolution is defined as a change in the heritable traits of biological populations. These traits are the manifestations of genes that are passed down from one generation to the next during reproduction.
Selection occurs inside generations, while evolution occurs between generations. All four of Darwin's postulates are met by the medium ground finch population on Daphne Major. Darwin's theory anticipates a shift in population composition from generation to generation as a result. In biology, evolution is the change in the inherited traits of a population from generation to generation. Natural selection is the process by which heritable qualities that help with survival and reproduction become more common while harmful traits become rare.
For more information:
https://brainly.com/question/19431143?referrer=searchResults
nutrition is broadly defined as the study of how . nutrition is broadly defined as the study of how . how food nourishes the body and influences health to identify reliable sources of nutrition information food choices are influenced by the media to lose weight
Answers
Nutrition is broadly defined as the study of how food nourishes the body and influences health. The correct answer is A.
Nutrition is broadly defined as the study of how food and drink affect the health of an individual, as well as how these factors can be used to improve health.
This includes understanding how to identify reliable sources of nutritional information, how the media influences food choices, and the effects of diet on weight loss and other health conditions.
Additionally, research has shown that certain foods may have additional health benefits, such as reducing inflammation, improving mental health, and boosting the immune system. It is important to be mindful of our food choices, as these decisions can have an impact on our overall health and wellbeing.
Learn more about nutrition :
https://brainly.com/question/13208550
#SPJ4
discuss different types of transport in cells
Answers
Answer:
There are two major types of cell transport: passive transport and active transport. Passive transport requires no energy. It occurs when substances move from areas of higher to lower concentration. Types of passive transport include simple diffusion, osmosis, and facilitated diffusion.
Answer:the two types are passive transport that does not require energy for movement and other is active transport that requires energy for the movement.
Explanation:
Which of the following is NOT a way humans disrupt the carbon cycle?
Question 28 options:
replacing natural environments with human structures
using excessive fertilizers
deforestation
burning fossil fuels
Answers
Answer: Exceesive fertilzers
Explanation:
I think its this because you burn fossil fuels and the fuels you are putting out bad gasses witch could affect the carbon cycle. also deforestation since tree give out carbon so when you cut them down lees carbon is in the air.
Give two examples of how homeostasis helps regulate the human body.
Answers
Answer:
Here are two examples of how homeostasis regulates different aspects of the body: Get homework help from firstgradeessays[at]gm ail. c om. Quality is a priority.
Body Temperature Regulation: The human body has a set temperature range (around 36-37 degrees Celsius or 98-99 degrees Fahrenheit) that needs to be maintained for optimal functioning. When the body temperature rises due to exercise or external heat, homeostatic mechanisms helps to cool the body. These mechanisms include sweating, which helps dissipate heat through evaporation. Dilation of blood vessels near the skin surface facilitates heat loss. Conversely, if body temperature drops, homeostatic responses like shivering and constriction of blood vessels occur to generate heat and conserve warmth.
Blood Glucose Regulation: Maintaining blood glucose levels within a narrow range is crucial for proper physiological functioning. After a meal, blood glucose levels increase, triggering the release of insulin from the pancreas. Insulin helps facilitate the uptake of glucose by cells, reducing blood glucose levels back to normal. On the other hand, when blood glucose levels drop (e.g., during fasting or exercise), the pancreas releases glucagon, which stimulates the liver to release stored glucose into the bloodstream. This process raises the blood glucose levels and restores homeostasis.
Explanation:
List and explain the function of hormones released by the hypothalamus
Answers
Many physiological processes in the body are controlled by the hypothalamus, a part of the brain. The production and release of hormones is one of its primary roles.
Which hormones does the hypothalamus produce?The hormones that are produced in the hypothalamus include corticotrophin-releasing hormone, dopamine, growth hormone-releasing hormone, somatostatin, gonadotrophin-releasing hormone, and thyrotrophin-releasing hormone. Lactation and uterine contraction during childbirth are oxytocin's two primary physiological effects.
What hormones does the hypothalamus produce?The hypothalamus secretes two different types of hormones: releasing hormones and inhibitory hormones. Gonadotrophin-releasing hormone, thyrotrophin-releasing hormone, somatotropin-releasing hormone, and adrenocorticotrophin-releasing hormone are a few examples of releasing hormones.
To know more about hypothalamus visit:-
https://brainly.com/question/9113672
#SPJ1
pls help asap (science)
Imagine there were no oceans on Earth. How would this impact climates? Use complete sentences to explain your answer.
Answers
Answer: We would have way less oxygen.
Explanation:
The earth's oxygen mostly comes from the ocean (about 50-80% of oxygen) therefore we would have way less air to breathe.
i need help with this plz.
Answers
Answer:
a) an oak tree
Explanation:
In the forest's ecosystem, the trees, shrubs and moss are all producers. They turn water and sunlight into the energy they need to live and grow, through a process called photosynthesis.
Name a daughter cell type formed by the meiotic division of gamete mother cells of X ?
Answers
Answer:
Haploid
Explanation:
Each daughter cell is haploid, because it has half the number of chromosomes as the original parent cell.
Answer:
=> HaploidExplanation:
=> Daughter cell type formed by the meiotic division of gamete mother cells of X is haploid because it contain half the number of chromosomes of the diploid parent cell.
What is an example of people changing the way water flows
Answers
Answer: A dam
Explanation:
A dam is an example of people changing the way water flows.
Read the statement
An elephant is walking on the hot African plains in search of food. As it does so, its body temperature increases. As it walks, it comes across a small pond.
What should this elephant do to BEST maintain homeostasis?
Select one:
A. It should jump into the pond to cool off.
B. It should use its trunk to take a drink.
C. It should flap its ears to create a breeze.
D.It should move at a slower pace to conserve energy.
Thanks for helping me!
Answers
Answer:
I think it would be "B".
Explanation:
if the elephant is by a pond it would most likely drink the water to stay cool.