What type of reaction releases heat into the surrounding environment?.
Answers
Exothermic reactions release heat into the surrounding environment, resulting in a temperature increase in the surroundings.
Exothermic reactions are chemical or physical processes that release energy in the form of heat into the surrounding environment. During an exothermic reaction, the total energy of the reactants is higher than that of the products, resulting in the release of excess energy in the form of heat. This heat is transferred to the surroundings, increasing the temperature of the surrounding medium. Common examples of exothermic reactions include combustion reactions, where a fuel reacts with oxygen to produce heat and light, and certain chemical reactions, such as the neutralization of an acid and a base. The release of heat during exothermic reactions can have various practical applications, such as heating systems, energy production, and chemical reactions used in industry.
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Related Questions
Which level of organization is made of organelles working together as one component? For example, mitochondria, ribosomes, and nucleus working together inside a membrane.
Answers
A. Use a concept map to illustrate the role of
producers, consumers, and decomposers in the
transfer of energy through ecosystems.
Answers
Concept Map of role of producers, consumers and decomposers.
Producers
- Photosynthesis
- Capture energy from sunlight
- Provide energy to consumers
Consumers
- Feed on producers
- Transfer energy to decomposers
Decomposers
- Break down dead organisms
- Return energy to producers
What is the difference between a primary consumer and a secondary consumer? A primary consumer is an organism that obtains its energy by directly eating plants. Primary consumers are herbivores and are the first level in a food chain. They are also known as grazing animals, as they graze on grass and other plant life. Examples of primary consumers include rabbits, deer, sheep, and cows.Secondary consumers, on the other hand, are organisms that obtain their energy by eating primary consumers. Secondary consumers are carnivores and are the second level in a food chain. They feed on primary consumers, such as the rabbits, deer, sheep, and cows mentioned above. Examples of secondary consumers include hawks, wolves, snakes, and foxes.The main difference between primary and secondary consumers is that primary consumers obtain their energy directly from plants, while secondary consumers obtain their energy from eating primary consumers. Primary consumers are also known as herbivores, while secondary consumers are known as carnivores. Additionally, primary consumers are the first level in a food chain, while secondary consumers are the second level.To learn more about role of decomposers refer to:
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what is the name of one of the lower chambers of the heart that receives blood from the upper chambers and pumps it into the arteries?
Answers
The sum of a number and two is equal to negative seven. Translate this sentence to an equation and then find the number. 5 -5 9 -9
Answers
Answer:
x+2=-7. -9
Explanation:
x+2=-7
-2. -2
x=-9
Please help me. Label the cell membrane
Answers
Answer:
A = Carbohydrate chains
B = glycoproteins
C = Glucose
D = Hydrophylic head
E = Hydrophobic tails
F = Phospholipid bi-layer
G = Cytoskeleton
H = Structural proteins
I = Cholesterol
J = Channel protein
Explanation: open source intelligence could have solved your question. mark brainliest tho ty
The integumentary system is a body system that consists of _______ the and its components.
Answers
Answer:
The answer on edge is 'skin'
Explanation:
:3 got it right on my 'Instructions' So ye XD
Brainliest?
Pretend you are a survivor of a hurricane that impacted Georgia in the distant past, before phones and radio were widespread.
• Write a journal entry, detailing what you experienced during the hurricane. Use your research of hurricanes to inform your journal entry.
Answers
answer:
journal entry is a topic like a story
explain:
pictures of One Tree so I can talk of a story but it's mainly about how the other person's point of view is.
Different areas around the world have different climates and different geological structures and elements. How do these differences influence agriculture in each area? What climate and geological factors may support one type of agriculture over another?
Answers
A dessert would support a cactus
While a coconut tree would grow in a more tropical or warm environment
The climate and geological factors may support one type of agriculture over another, an arid region is suitable for some crops and not for rice.
What are climatic factors?Due to the dependence of agriculture and fisheries on certain climate conditions, changes in ozone, greenhouse gases, and climate change have a significant impact on agricultural producers.
Climate change-related droughts and floods may make it difficult to carry out farming operations. Temperature changes may result in shifting habitat ranges and crop planting dates.
The agriculture would need to be modified to fit the environmental circumstances. A cactus could survive in a desert, whereas a coconut tree would flourish in a warmer or more tropical environment.
Therefore, the climate and geological factors may support one type of agriculture over another, an arid region is suitable for some crops and not for rice.
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i nned help with these
Answers
PLSSS HELP IF YOU TURLY KNOW THISS
Answers
Answer:
A: Cytoplasm
Explanation:
There is a species of frog on an island that puzzles scientists. The proportion of frogs with no stripes is greater than the proportion of frogs with
stripes. This is puzzling because the unstriped trait is recessive (s), and the striped patterns are due to dominant alleles (S). Also, natural selection
seems to support the striped trait.
How do genetic factors most likely account for the proportion of traits in the frog population?
A. Most of striped frogs and unstriped frogs have the genotype ss.
OB. Most of striped frogs have the genotype SS and the unstriped frogs have the genotype ss.
C. Most of striped frogs have the genotype SS and the unstriped frogs have the genotype Ss.
OD. Most of striped frogs have the genotype Ss and the unstriped frogs have the genotype ss.
Hi
Answers
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Should ever come back...Should ever come back....
Which change to the model would improve its accuracy? A. Move each neutron so it is next to a proton. B. Move the protons and neutrons to a small space in the center. C. Move the protons and electrons to a small space in the center. D. Move all of the particles so that they are evenly spaced.
Answers
Answer:
B
Explanation:
B. Move the protons and neutrons to a small space in the center.
Answer:
B. Move the protons and neutrons to a small space in the center.
Explanation:
How do enzymes help join two substrate molecules together to form a product?
Answers
Answer:
Enzymes bind with chemical reactants called substrates. ... In others, two substrates may come together to create one larger molecule. Two reactants might also enter a reaction, both become modified, and leave the reaction as two products. The enzyme's active site binds to the substrate.
2.2. What is a casting defect? Discuss the following for casting defects - rat tail, misrun, blister, cold shut and wash - [7] a. Causes for defect b. Remedies to avoid the defect c. Inspection method
Answers
Casting defects like rat tail, misrun, blister, cold shut, and wash can occur due to various causes. To avoid these defects, maintaining appropriate pouring conditions, proper mold design, and implementing suitable remedies are crucial. Inspection methods, such as visual examination and non-destructive testing, can help identify these defects for quality control purposes.
A casting defect refers to an imperfection or flaw that occurs during the casting process. Let's discuss the following casting defects:
1. Rat tail: Rat tail is a casting defect characterized by the formation of a thin, elongated cavity in the casting. It is caused by the improper flow of molten metal, leading to insufficient filling of the mold cavity.
- Causes for defect: Rat tail defects can occur due to low pouring temperature, inadequate gating system design, or improper venting. These factors can result in restricted flow and poor mold cavity filling.
- Remedies to avoid the defect: To avoid rat tail defects, it is essential to maintain the appropriate pouring temperature, ensure a well-designed gating system that allows smooth flow of molten metal, and provide proper venting to release trapped gases.
- Inspection method: Rat tail defects can be visually inspected by examining the castings for elongated cavities. Radiographic testing can also be used for a more detailed analysis.
2. Misrun: Misrun defect refers to a situation where the molten metal does not completely fill the mold cavity, leading to incomplete castings.
- Causes for defect: Misrun defects can occur due to low pouring temperature, inadequate pouring rate, or improper mold design. These factors result in insufficient fluidity of the molten metal, preventing it from filling the entire mold cavity.
- Remedies to avoid the defect: To avoid misrun defects, it is important to maintain the appropriate pouring temperature and rate, ensure proper mold design with adequate gating and risers to facilitate complete filling of the mold cavity.
- Inspection method: Misrun defects can be identified visually by examining the castings for incomplete filling or by conducting non-destructive testing methods such as liquid penetrant testing.
3. Blister: Blister defect refers to the formation of gas-filled cavities on the surface of the casting, which may burst or leave behind visible marks.
- Causes for defect: Blister defects can occur due to the presence of moisture or gases (such as hydrogen) in the mold cavity or the molten metal. When the metal solidifies, these trapped gases or moisture create cavities, resulting in blister defects.
- Remedies to avoid the defect: To prevent blister defects, it is important to ensure proper preheating of the mold, use dry and clean molds, and degas the molten metal to remove any trapped gases.
- Inspection method: Blister defects can be visually inspected by examining the casting surface for raised, bubble-like formations. Non-destructive testing methods like ultrasonic testing can also be used for detection.
4. Cold shut: Cold shut defect occurs when two streams of molten metal do not properly fuse together during casting, resulting in an incomplete joint or seam.
- Causes for defect: Cold shut defects can occur due to low pouring temperature, inadequate gating system, or improper mold design. These factors prevent proper fusion of the molten metal streams, resulting in incomplete joints.
- Remedies to avoid the defect: To avoid cold shut defects, it is important to maintain the appropriate pouring temperature, ensure a well-designed gating system that promotes proper fusion, and use mold designs that facilitate complete fusion of molten metal streams.
- Inspection method: Cold shut defects can be visually inspected by examining the castings for incomplete fusion or discontinuity along the joint or seam.
5. Wash: Wash defect refers to the erosion or penetration of mold material into the casting surface, resulting in an irregular surface finish.
- Causes for defect: Wash defects can occur due to improper mold material, excessive turbulence during pouring, or inadequate mold coating. These factors lead to the erosion or penetration of mold material into the molten metal, causing wash defects.
- Remedies to avoid the defect: To prevent wash defects, it is important to use appropriate mold materials, control pouring turbulence, and apply suitable mold coatings to minimize erosion or penetration.
- Inspection method: Wash defects can be visually inspected by examining the casting surface for irregularities or erosion marks. Surface roughness testing can also be conducted for quantitative analysis.
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One of the earliest uses of chemicals as pesticides was the burning of sulfur. T or F ?
Answers
The statement "One of the earliest uses of chemicals as pesticides was the burning of sulfur." is: False.
While sulfur has been used as a pesticide since ancient times, it was not used by burning it. Instead, sulfur was applied as a dust or spray to control pests such as mites and fungal diseases. The earliest recorded use of chemical pesticides was by the ancient Sumerians, who used elemental sulfur to control insects and mites on crops over 4,500 years ago.
Later, in the 1800s, more advanced chemical pesticides were developed, such as arsenic-based compounds and nicotine sulfate. These compounds were highly effective but also highly toxic to humans and other animals, leading to significant health and environmental concerns.
The development of newer, safer pesticides continues to this day, with an emphasis on reducing toxicity and environmental impact while maintaining efficacy against pests.
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Blood leaves the heart to go to the rest of
the body through the
Answers
Answer:
arteries
Explanation:
goes back through veins
Answer:
blood leaves the heart to go to the rest of the body through the aorta which is the main Artery carrying oxygenated blood
Could you kindly type me the following please:
Materials and methods explain how the work on 'Soil management' (in agriculture) was done.
(Containing sufficient detail to allow another competent worker to repeat the work.)
Answers
In soil management in agriculture, the materials and methods used should be described in sufficient detail to allow another competent worker to replicate the work.
This typically includes information about the materials used, such as the type of soil, fertilizers, and amendments, as well as the methods employed, such as tillage practices, crop rotation, and irrigation techniques. Additionally, the time frame, location, and any specific measurements or data collection procedures should be included. By providing these details, the process of soil management can be accurately replicated by others in the field.
Adding organic matter, such as compost, manure, or cover crops, improves soil structure, water-holding capacity, and nutrient content. Organic matter also enhances microbial activity in the soil, promoting nutrient cycling and overall soil health. Conservation tillage practices minimize soil disturbance and erosion by reducing or eliminating plowing or intensive tilling. This helps preserve soil structure, moisture, and organic matter, while also reducing fuel and labor costs.
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Write three facts about recessive heredity genes
Answers
Answer:
Recessive is a quality found in the relationship between two versions of a gene. Individuals receive one version of a gene, called an allele, from each parent. If the alleles are different, the dominant allele will be expressed, while the effect of the other allele, called recessive, is masked...?
Explanation:
If different types of sediments were evenly dispersed on the ocean floor, how many kilograms of space dust and rocks would you expect to find in a 100 kg sample?
Answers
A 100kg sample of ocean floor with evenly dispersed sediments will contain less than 1kg of space dust and rocks.
What types of sediment can be found on the ocean floor?There are currently three major types of sediments that can be found in the ocean floor. They are terrigenous; from land deposits of the continental shell, pelagic; made up of clay and micro skeletons of marine organisms, and hydrogenous; rich with minerals.
Cosmogenous sediments are occasionally found in parts of the ocean but usually in very small amounts of less than 1% or less than 1kg for every 100kg sample. They are mostly covered up by other sediments.
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Photosynthesis creates ______
A.
chlorophyll
B.
sugar
C.
carbon dioxide
D.
energy for the cell
Answers
at very low concentrations, epinephrine causes an artery to dilate. at higher concentrations epinephrine causes the same artery to constrict. how can these different effects be explained?
Answers
The two different effects of epinephrine on the artery can be explained by its different concentrations. Lower concentrations cause the artery to dilate and higher concentrations cause it to constrict.
At very low concentrations, epinephrine causes an artery to dilate because it stimulates the release of nitric oxide, which relaxes the muscles in the artery walls. This increases the artery's diameter and reduces the resistance to the flow of blood. At higher concentrations, epinephrine causes the same artery to constrict because it stimulates the production of epinephrine receptors, which respond to the increase in epinephrine concentration. These receptors then trigger the contraction of the smooth muscles in the artery walls, reducing the artery's diameter and increasing the resistance to the flow of blood.
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four students classified the main energy conversions that occur during photosynthesis and cellular respiration. which student best classified the energy conversions?
Answers
Student 4 best classified the energy conversions that occur in the two processes. The correct option is D.
At some stage in photosynthesis, vegetation absorb carbon dioxide (CO2) and water (H2O) from the air and soil. In the plant cellular, the water is oxidized, which means it loses electrons, even as the carbon dioxide is decreased, which means it gains electrons
Photosynthesis converts radiant or suns electricity into chemical energy. The productivity of agricultural crops without delay depends upon the rate of photosynthesis. It presents oxygen in the environment for all living organisms.
Photosynthesis is a natural system by using which trees and flowers use energy from the sun and carbon dioxide from the air to make the food they want to live and develop.
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Full question
Four students classified the main energy conversions that occur during photosynthesis and cellular respiration. Which student best classified the energy conversions that occur in the two processes?
a) Student 1
b) Student 2
c) Student 3
d) Student 4
the esophagus and trachea both pass through the diaphragm
Answers
Answer:
Three important structures pass through the diaphragm: the esophagus, and the two main blood vessels of the lower half of the body, the inferior vena cava, and the descending aorta. This is the opening for the inferior vena cava, the vena caval foramen. This is the opening for the esophagus, the esophageal hiatus.
How the esophagus pass through the diaphragm:
It originates at the level of the sixth cervical vertebra, posterior to the cricoid cartilage. In the thorax, the esophagus passes behind the aortic arch and the left main stem bronchus, enters the abdomen through the esophageal hiatus of the diaphragm, and terminates in the fundus of the stomach.
earths biosphere is described as
Answers
Answer:
Earth's biosphere is described as every biome that has living things every community that is above water. O every biome that has living plants every community that has sunlight
Answer:
Biosphere, relatively thin life-supporting stratum of Earth's surface, extending from a few kilometres into the atmosphere to the deep-sea vents of the ocean. The biosphere is a global ecosystem composed of living organisms (biota) and the abiotic (nonliving) factors from which they derive energy and nutrients.
A population is growing, and its density increases rapidly, but its food source becomes limiting. the per capita growth rate (r) decreases and the population eventually stops growing and fluctuates around its carrying capacity. the interaction that led to this change in growth rate was
Answers
The interaction that led to this change in growth rate was intraspecific competition.
Intraspecific competition: what is it?Competition between members of the same species is known as intraspecific competition (cospecifics). Depending on the type of competition that exists, different members of the species will respond differently to it. Contest-competition can be passive or active, and it can have various effects.
It is a competition between members of the same species. It is possible, for example, for two male birds of the same species to compete for a mate in the same location. This type of competition is a key element in natural selection. It supports a species' ability to evolve more advanced adaptations.
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How is meiosis different from mitosis?A-Meiosis daughter cells only have half the chromosomes that theparent cell had. They are used for reproduction.B-Meiosis daughter cells are identical to their parent cells.C-Meiosis only happens in plants.D-Meiosis only happens in animals.
Answers
Answer:
A
Explanation:
Miosis is mitosis but for germ cells (reproductive cells) than somatic cells(body cells)
An antibiotic is a type of medication that cures infectious diseases. Why does the word antibiotic suggest that these
medications would be ineffective against viruses?
Answers
Explanation:
Antibiotics cannot kill viruses because bacteria and viruses have different mechanisms and machinery to survive and replicate. The antibiotic has no “target” to attack in a virus. However, antiviral medications and vaccines are specific for viruses.
Are Lipids are most
responsible for causing
diabetes ?
Agree or disagree?
Answers
Answer:
No they are not responsible for diabetes
1. Hypothesize An aquarium hobbyist wants to breed guppies with large, fan-shaped,
red tails. The hobbyist has a large number of guppies with assorted tail colors and
shapes in an aquarium. Write a hypothesis that explains how the hobbyist should
proceed to breed a population of guppies with the desired traits.
Answers
They should separate pure lines (red fan-shaped tails) to cross them with other phenotypes and then observe phenotypic proportion in the offspring. It is Mendelian genetics.
What is Mendelian genetics?Mendelian genetics refers to the process of observing the phenotypic proportions from a given genetic cross.
Mendelian genetics is always associated with a genetic process known as complete dominance.
Complete dominance occurs when the recessive allele is completely masked in heterozygous individuals.
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Explain how the process of natural selection can be the driving force behind the evolution of a tiger and human.
Answers
Answer: the pple
Explanation:fjjfjjfjf