Before humans ever ventured into space, we fantasized about visiting—and even living on—other planets. As technology continues to develop, it may one day be possible for humans to call planets other than Earth's home. Space scientists have several possible Earth-like planets and moons insight, but one that is of high interest is Kepler-186f, a planet 500 light-years away. It orbits a star much like the Sun, and it orbits in a habitable zone: it is far enough from the star to allow for the pooling of water (if it is present) on the planet's surface.
Is being in a "habitable zone" enough to say the planet is habitable for human life? What characteristics would an Earth-like planet need to have to support life? What challenges would we face traveling to and colonizing Kepler-186f or other Earth-like planets outside of our solar system? Do you think scientists should spend time looking for Earth-like planets before we have the technology to visit them? Why or why not? PLEASE HELP ME!!! :((
Answers
Answer: yes because A habitable zone (HZ) in astronomy is a region of space where conditions are best for life to form as on Earth. Planets in these areas are the most likely to have extraterrestrial life. The habitable zone may also be called the "life zone", "comfort zone", "green belt" or "Goldilocks zone".
Explanation:
Related Questions
Plz Plz help me with this its due today so plz help out!!!
Answers
Answer:
1.lysosome
2.cell membrane
3.ribosome
4.nucleus
5.golgi body
6.vacuole
7.mitochondrion
8.endoplasmic reticulum
Answer: Use this as a reference sheet for all of your biology assignments!
Explanation:
Based on these images, what can you say about the tentacles of an octopus and the limbs of a lizard?
Answers
Answer: 4
Explanation:
Seed Germination Investigation
The students are to investigate the process of seed germination during their summer
vacation.
They will select different types of seeds, such as beans, peas, or sunflower seeds.
Encourage students to set up a germination experiment by placing the seeds in
different conditions, such as light vs. dark, or wet vs. dry. Moreover, they need to
pot the same seed in more than one pots.
They should observe and document the changes that occur over time, including the
emergence of roots and shoots
Answers
Answer:
b
Explanation:
I took test
Answer: Encourage students to set up a germination experiment by placing the seeds in different conditions, such as light vs. dark, or wet vs. dry. Moreover, they need to pot the same seed in more than one pot.
Explanation:
This option provides a clear and practical approach to the seed germination investigation. By setting up different conditions for the seeds, such as light vs. dark or wet vs. dry, the students can observe and compare how these conditions affect the germination process. Additionally, potting the same seed in multiple pots allows for a controlled comparison within the experiment.
By manipulating these variables, the students can gather valuable data and observations regarding the influence of light and moisture on seed germination. This approach promotes a hands-on and investigative learning experience, encouraging students to actively engage with the scientific process while documenting the changes that occur over time, such as the emergence of roots and shoots.
Every year, many people get sick from the common cold. While there are medicines that can help with the symptoms, there is nothing that can cure or prevent a cold. What kind of pathogen causes the common cold?
A. Bacterium
B. Fungus
C. Parasite
D. Virus
Answers
Answer:
D. Virus
Explanation:
based on this website: https://www.hopkinsmedicine.org/health/conditions-and-diseases/common-cold#:~:text=What%20causes%20the%20common%20cold,the%20rhinoviruses%20causes%20most%20colds.
Common colds are caused by various kinds of viruses. Rhinoviruses cause most colds.
The common cold is a viral infectious disease that affects the upper respiratory system.
where can i find stemscopes answer keys?
Answers
Match the terms to the definition.
Question 1 options:
The idea of that the Earth and planets orbit the sun. A sun-centered view.
Huge clusters of stars, gas, and dust bound by the force of gravity.
A group of objects that orbit a star.
Jupiter, Saturn, Uranus, Neptune. Gas giants.
The spinning of a planet on its axis, causing day and night.
The orbit of a planet around the sun. On Earth, one year.
Mercury, Venus, Earth, Mars. Terrestrial, rocky.
A force of attraction that keeps planets orbiting the sun.
A rock that has entered Earth's atmosphere, leaving a streak of light in the night sky.
The theory the universe came forth from a single spot in an enormous explosion.
1.
Big Bang
2.
Doppler Effect
3.
Nebula
4.
Solar System
5.
Geocentric theory
6.
Heliocentric theory
7.
Gravity
8.
Galaxy
9.
Rotation
10.
Revolution
11.
Inner planets
12.
Outer planets
13.
Meteor
14.
Meteorite
15.
Meteoroid
Answers
1. Big Bang:- The theory the universe came forth from a single spot in an enormous explosion.
3. Nebula:- Huge clusters of stars, gas, and dust bound by the force of gravity.
4. Solar System:- A group of objects that orbit a star (Sun)
6. Heliocentric theory:- The idea that the Earth and planets orbit the sun. A sun-centered view.
7. Gravity:- A force of attraction that keeps planets orbiting the sun.
8. Galaxy:- Huge clusters of stars, gas, and dust bound by the force of gravity.
9. Rotation:- The spinning of a planet on its axis, causing day and night.
10. Revolution:- The orbit of a planet around the sun. On Earth, one year.
11. Inner planets:- Mercury, Venus, Earth, Mars. Terrestrial, rocky.
12. Outer planets:- Jupiter, Saturn, Uranus, Neptune. Gas giants.
13. Meteor:- A rock that has entered Earth's atmosphere, leaving a streak of light in the night sky.
For further information on such terms nad definitions,
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The solar system consists of many planets, moons, stars, asteroids, comets, and meteoroids, which itself is a part of the milky way galaxy. Beyond this are millions of galaxies that constitute the universe.
Big Bang is the theory the universe came forth from a single spot in an enormous explosion. Solar System is a group of objects that orbit a star. The heliocentric theory is the idea that the Earth and planets orbit the sun, a sun-centered view. Gravity is a force of attraction that keeps planets orbiting the sun.
Galaxy is a huge cluster of stars, gas, and dust bound by the force of gravity. Rotation is the spinning of a planet on its axis, causing day and night. Revolution is the orbit of a planet around the sun. On Earth, one year. The inner planets are Mercury, Venus, Earth, and Mars. Terrestrial and rocky. Outer planets are Jupiter, Saturn, Uranus, Neptune, and Gas giants.
Meteor is a rock that has entered Earth's atmosphere, leaving a streak of light in the night sky.
Learn more about the Universe:
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The ocean has many different ecosystems, or communities of living organisms and their environment. Life in the ocean is more diverse and plentiful than on land. In fact, the very first life on Earth, a microscopic single-celled organism, probably started in the ocean 3.5 billion years ago.
About 80% of all marine organisms live in the euphotic zone. This is the top layer of the ocean, from the water’s surface down to about 100 meters. The euphotic zone is also known as the sunlit zone. It gets enough light for plants to undergo photosynthesis, or convert the sun’s energy into food. It contains vibrant ecosystems such as coral reefs, mangroves, kelp forests, and estuaries. Food and shelter are plentiful in the euphotic zone, which is home to most ocean fish, jellyfish, sea turtles, seals, coral, starfish, and shellfish.
Why is marine life so plentiful in the euphotic zone?
A
This zone is at the very bottom of the ocean, so fish can absorb minerals from the sand.
B
This zone provides enough light, food, and shelter to support a wide variety of organisms.
C
This zone is home to all plants and animals that do not need sunlight to survive.
D
This zone is used as farmland, growing crops that fish and other sea organisms eat.
Answers
Larger animals have:
A.)weaker cells than smaller animals.
B.)larger cells than smaller animals.
C.)more cells than smaller animals.
Answers
Answer:
C
Explanation:
pls help me will mark brainlyest :) :
Internal and External Structures
You are now going to construct an argument that plants have internal and external structures that support growth and reproduction.
Choose the internal and external structures you want to gather evidence and create a statement about.
subject: sciences
Answers
Explanation:
Some structures are internal, like the lungs, brain, or heart. Other structures are external, like skin, eyes, and claws. Some structures are unique, like the long neck of a giraffe. Other structures are more common, like a heartStructure and Function: Plants and animals have both internal and external structures that serve various functions in growth, survival, behavior, and reproduction.
I hope this helps! Good Luck!
It is theorized that the continents on Earth were once joined together,
forming a supercontinent called Pangaea. How long ago did Pangaea
exist? How were the continents of Africa and South America arranged in
relation to each other? Describe one piece of evidence to support their
relationship. Write your response in complete sentences
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Answer:
Pangea existed many millions of years ago in many opinions, but it started back in the late Paleozoic Era until the very late Triassic. Pangea first began to be torn apart when a three-pronged fissure grew between Africa, South America, and North America. Scientists have found fossils of similar types of plants and animals in rocks of similar age. These rocks were on the shores of different continents. This suggests that the continents were once joined. For example, fossils of Mesosaurus, a freshwater reptile, have been found both in Brazil and western Africa.
Explanation:
Answer:
Pangaea is believed to have existed around 335 million years ago during the late Paleozoic and early Mesozoic eras.
During this time, the continents of Africa and South America were joined together as part of the supercontinent Pangaea. They were located in the southern hemisphere, with Africa to the east and South America to the west.
One piece of evidence to support their relationship is the similarity of plant and animal fossils found on both continents. Fossils of the ancient reptile Mesosaurus have been found in both Africa and South America, indicating that the two land masses were once connected. The distribution of fossils of other plant and animal species also suggests that Africa and South America were once part of the same landmass.
The theory of Pangaea and continental drift was first proposed by Alfred Wegener in the early 20th century, and it has since been supported by a range of geological and paleontological evidence. The movement of the continents has had a profound impact on the evolution of life on Earth, as it has created new habitats and allowed for the evolution of new species in isolation.
Item 5
What is the process the human urinary system uses to filter waste from the blood, store it and then get rid of it?
Choose all correct answers.
Waste and water from the blood are filtered in the kidneys, producing urine.
When the bladder gets full, urine exits the body through the urethra.
Urine flows through the ureter tubes and is stored in the urethra.
The blood transports urea, old cells, excess salt, and unwanted water to the bladder.
Answers
Answer:
1/A is correct.
Explanation:
Im not sure about the rest but aleast you have one right... :)
How does the orientation of the North Pole change during the year?
Drag and drop the months to correctly match the descriptions.
points away from the sun, so the Northern Hemisphere gets its least sunlight
points neither toward nor away from the sun, and the days in the Northern Hemisphere are getting longer
points neither toward nor away from the sun, and the days in the Northern Hemisphere are getting shorter
points toward the sun, so the Northern Hemisphere gets its most sunlight
December,March,June, or September
(THIS IS SCIENCE NOT BIOLOGY)
Answers
The orientation of the North Pole changes as follows during the year:
December: points away from the sun, so the Northern Hemisphere gets its least sunlight.March: points neither toward nor away from the sun, and the days in the Northern Hemisphere are getting longer.June: points toward the sun, so the Northern Hemisphere gets its most sunlight.September: points neither toward nor away from the sun, and the days in the Northern Hemisphere are getting shorter.How does the orientation of the North Pole change during the year?The orientation of the North Pole remains relatively fixed throughout the year. It does not change its position or direction.
The North Pole always points in the same direction in the northern sky, which is towards the North Star or Polaris.
However, the tilt of the Earth's axis in relation to its orbit around the Sun causes the amount of sunlight received by different parts of the Earth to vary throughout the year.
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Which of the following puts the components of a cell in order from smallest to largest?
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Which of these best describes how the lungs and diaphragm affect each other?
A
As the lungs expand, the diaphragm expands.
B
As the lungs expand, the diaphragm contracts.
C
As the lungs contract, the diaphragm contracts.
D
The lungs and diaphragm have no relationship.
Answers
What best describes direct democracy?
1. A government where people vote on laws and rules
2. A government where people vote for representatives
3. A government where citizens rule
4. A government where representatives make laws
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A scientist put red blood cells in water that contained salt. Over time, the red blood cells burst. What is most likely true?
a The concentration of water inside the cell was greater than in the salt water.
b There was a higher concentration of salt in the water than in the cells.
c There was a lower concentration of salt in the water than in the cells.
d The concentration of water in the cells and salt water were equal.
Answers
Answer: B.
Explanation: Hope this helps.
Water is drawn towards salt
What is the fossil connection between Indohyus and the whale? What is the function of this bone? Why do you think these mammals transitioned from land to water?
Answers
Answer:
Indohyus is a fossil, found in 2007, of a chevrotain-like mammal believed by some paleontologists in the Evil Liberal Science Conspiracy to be a transitional form between land-dwelling mammals and the ancestor of whales.
The origin of cetaceans from land-living mammals is among the most famous of these events. Much earlier, during the Mesozoic Era, many reptile groups also moved from land to wate
Explanation:
Why do cats meow? (Brainliest if right, if both answers are right the first one will get it)
A. to get the attention of hooman
B. to get the attention of other cats
C. to scare off doggos
D. "This is MY territory! Back off!"
E. They do it for no reason
Answers
Is the answer
Hope this makes me win lol
Translate the words into math symbols. The difference of nine and a number is three. What steps would you take to translate the statement? Check all that apply. Replace "difference" with a division sign. Replace "difference" with a subtraction sign. Replace "a number" with the variable n, to represent an unknown value. Replace "is" with an equals sign. The translated equation is 9 ÷ n = 3. The translated equation is 9 – n = 3.
Answers
Answer:
Here are the correct answers that you should check.
Replace "difference" with a subtraction sign.
Replace "a number" with the variable n, to represent an unknown value.
Replace "is" with an equals sign.
The translated equation is 9 – n = 3.
Explanation:
What is the origin of the word arthropod?
Answers
Answer:
Etymology
Explanation:
Hydrogen peroxide is a liquid people mix with water and use to disinfect skin wounds. under certain conditions, the hydrogen peroxide molecule will break down and form water and oxygen. look at the diagram showing before and after the molecule breaks down. what evidence supports that mass is conserved during this chemical reaction?
If you guys could help that would be great!!!
Answers
Answer:
you need to provide an image of the diagram for people to be able to answer your question.
Explanation:
Which type of biotechnology would be used by scientists who use the egg cell of an endangered animal to increase the population of the animal?
Genetic engineering because the genes of the animal would be modified
Genetic engineering because it is always helpful for the environment
Cloning because offspring that are exact copies are produced
Cloning because offspring would be produced in a few hours
Answers
Answer:
the 3rd option: Cloning because offspring that are exact copies are produced
Explanation:
Biotechnology is a field of science that comprises biology combined with technology. It utilises the living system with the technology to build products.
The correct answer is:
Option C. Cloning because offspring that are exact copies are produced.
This can be explained by:
Cloning is a mode of reproduction in which the replica of the parent is produced as offspring.The genetic content of the offspring is the same as that of the parent. Hence all the traits and the characters remain preserved.Therefore, for deliberately producing the endangered species cloning technique can be employed.
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can you guys help me possibly? thanks!!!
Answers
2. Have specialized parts
3. Move
4. sexually
5. Asexual
6. Multicellular
8. Division
7. Budding
9. Cells lack cell walls
10. Develop from embryos
helpppp guys i dont understand this lol
Answers
Sorry I tried.
compare and contrast hormonal regulation during pregnancy and hormonal regulation during the menstrual cycle.
Answers
Answer: In summary, hormonal regulation during pregnancy and the menstrual cycle share some similarities, but differ in their goals, hormones involved, hormonal feedback loops, and timing.
Explanation: Hormonal regulation during pregnancy and the menstrual cycle are both complex processes involving several hormones, but they differ in their overall goals and mechanisms. Here are some key differences:
Goals: The primary goal of hormonal regulation during pregnancy is to maintain the pregnancy and support the growth and development of the fetus. In contrast, the primary goal of hormonal regulation during the menstrual cycle is to prepare the body for a possible pregnancy.
Hormones involved: Both processes involve the hormones estrogen and progesterone, but the levels and roles of these hormones are different. During pregnancy, the placenta produces high levels of estrogen and progesterone, which help maintain the pregnancy and prepare the body for childbirth. During the menstrual cycle, estrogen and progesterone are produced by the ovaries, and their levels fluctuate throughout the cycle.
Hormonal feedback loops: Hormonal regulation during pregnancy involves a positive feedback loop, in which rising levels of hormones signal the body to produce even more hormones to maintain the pregnancy. In contrast, hormonal regulation during the menstrual cycle involves a negative feedback loop, in which rising levels of hormones signal the body to reduce hormone production.
Timing: Hormonal regulation during pregnancy is a continuous process that lasts for nine months, while hormonal regulation during the menstrual cycle occurs on a monthly basis.
The main hormones involved and the general goals of hormonal management during pregnancy and the menstrual cycle are different.
Pregnancy: Human chorionic gonadotropin (hCG), a hormone generated by the placenta, is the main hormone involved in pregnancy. Hormonal control during pregnancy serves to support the foetus' growth and development, preserve the uterine lining, and stop menstruation. Progesterone and oestrogen, among other hormones, are essential in sustaining pregnancy because they help the foetus develop and prepare the body for childbirth.
Menstrual Cycle: Hormones such follicle-stimulating hormone (FSH), luteinizing hormone (LH), oestrogen, and progesterone control the menstrual cycle. Menstruation, the follicular phase, ovulation, and the luteal phase are some of the various phases that make up the cycle. Hormonal control during the menstrual cycle serves to prime the uterus for prospective implantation and fertilisation. Throughout the cycle, levels of oestrogen and progesterone rise and fall, affecting the uterine lining's thickening and shedding.
To know more about Pregnancy, Menstrual Cycle, Hormonal Control,
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https://brainly.com/question/1483249
https://brainly.com/question/4678959
answer this pls (the question only)
Answers
Answer:
50%
Explanation:
F f
f Ff ff
f Ff ff
Study the cladogram.
Which characteristics are common to birds and lemurs?
A) hair, biped
B) vertebrae, hair
C) tetrapod, vertebrae, biped
D) amniotic egg, tetrapod, vertebrae
Answers
Answer:
D) amniotic egg, tetrapod, vertebrae
Explanation:
Which of these best describes the difference between forest soil and sandy soil?
A:forest soil is lighter in color than sandy soil
B:forest soil has less humus than sandy soil
C: forest soil has more moisture than sandy soil
D:forest soil supports plant life, but sandy soil does not support any plants.
Answers
Explanation:
should be more moisture
Forest soil is the appropriate soil for the vegetation.Options C and D are correct.
What is the reason for good vegetation in forests ?The reason for vegetation in forests is because of the supportive factors that are involved in the good plants life.
Forest soil has more moisture than sandy soil therefore the types of plants that are grown in soil of forests are more qualitative and more superior than the sandy plants which are facing certain limitations and facing certain situations.
Forest soil supports plant life, but sandy soil does not support any plants. Forest soil produces more superior life and the plants life are found in the forest area and the sandy plants are lesser found in the sandy areas.
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If you have car sickness, but only when you look at a book or screen while its moving, is there an exact terminology for it?
and sorry if i chose the wrong subject for this, im new to asking questions.
Answers
Answer:
The exact terminology would be motion sickness, not car sickness.
Explanation:
Reading a book or using your phone while in or on any moving object can cause motion sickness.
With motion sickness your body is moving in space, such as in a moving car or on a boat rocking at sea, but your eyes aren’t getting the same information. Kind of like when you are reading while in a car: Your eyes are focused on the words, thinking you’re stationary, but the rest of your body is sensing the movement of the car.
Motion sickness is basically a sensory conflict.
Now there is something called cybersickness, which is almost the same as motion sickness but it pertains more to using/ watching moving pictures on a screen while your body is stationary.
It has opposite sensory effects than motion sickness, where your eyes think you are moving but your body is not.
nuclear power:
description: renewable? non-renewable?
pros and cons
where it is found
how it is recovered
brief history
how it is stored in the source
how energy is released
economic impact
environmental impact
future of energy source
i know this is a lot, just answer whatever you can!
Answers
Pros lots of energy
Cons dangerous and needs constant maintenance