Match each of Earth's spheres to the materials that make up the sphere.
biosphere
atmosphere
geosphere
hydrosphere

the group consists of modern humans, extinct human species, and all our immediate ancestors.

Answer:

There are two primary factors: size and distance from the Sun. Gravity helps planets and moons to hold on to their atmospheres, so small planets/moons such as Mars and the Moon have thin atmospheres. The reason why the outer planets are larger is probably down to two major factors. The first is simply the amount of material available which may be accreted to a planet. Clearly, the further away from the Sun, the longer the orbit (twice as far means an orbit twice the physical length).

Explanation:

Answer: B

Explanation: Society is basically a community of people and the way they live.  The study on smoking is definitely science.  So it would be b.

Answer:

A

Explanation:

I'm pretty sure it's A :)

Answer:

phospholipds are arranged in the phospholipid bilayer, inside the plasma membrane.

Explanation:

they have one hydrophilic head and two hydrophobic tails.

Phospholipids are amphipathic molecules that compose the cell bilayer membrane. Among the options, D is correct. Hydrophobic fatty acid regions face each other within the interior of the cell membrane.

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Two lipidic layers compose the cell membrane. There are also proteins and glucans incrusted in between.    

The complex lipids that compose the membrane are amphipathic molecules. A phospholipid is composed of

Phospholipids are arranged as a bilayer. Their hydrophilic polar heads face the exterior and the interior of the cells, while their hydrophobic tails are hidden against each other, constituting the internal part of the membrane.

According to this framework, we can choose the best answer among the options,

A) Hydrophilic phosphate regions face each other within the interior of the cell membrane ⇒ Incorrect ⇒ Heads are not facing each other. They are in contact with the cell exterior and interior.  

B) Hydrophilic phosphate regions are positioned toward nonpolar environments ⇒ Incorrect ⇒ Phosphate regions are in contact with water.

C) Hydrophobic fatty acid regions are positioned toward polar environments ⇒ Incorrect ⇒ tails can not be in contact with water.

D) Hydrophobic fatty acid regions face each other within the interior of the cell membrane ⇒ CORRECT.

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Answer:

frequency

Explanation:

comment if im wrong

The number of waves passing the observer per second is the frequency. Hence, the correct option is C.

Frequency refers to the number of waves that pass from a fixed point in unit time. It is a measure of the rate of repetition of a periodic phenomenon such as vibration or a wave.

It is measured in hertz (Hz), an international unit of measure where 1 hertz is equal to 1 cycle per second. The more cycles that occur per second, the higher the frequency of the system is.

For example-The human heart beats at a frequency of 68 beats per minute.

In general, frequency is a very important concept in many fields including physics, engineering, music and the natural sciences, and it is used to describe and analyze a wide range of periodic phenomenon.

Therefore, the correct option is C i.e., frequency.

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Answer:

i just think but not sure

the answer is 30.....

I think but not sure

clarify and tell whether I am correct or not

Answer:

A tap root system penetrates deep into the soil. In contrast, a fibrous root system is located closer to the soil surface, and forms a dense network of roots that also helps prevent soil erosion (lawn grasses are a good example, as are wheat, rice, and corn).

Explanation:

Answer:

Taproot is found in dicots, while a fibrous root is found in monocots. Fibrous root is found in most grasses, while taproot is not found in most grasses.

Answer:

chemical that's the answer!

Answer:

c) Chemical

Explanation:

The poison dart frog triggers the production of a chemically dangerous alkaline Batrachotoxin, when it feels a threat to itself or its habitat.

The skunk similarly sprays chemical containing aerosols, that have an offensive odour to defend itself.

answer: b) The habitable zone to move back towards Saturn and its moons.

explanation: i just did the reading plus and that was the answer

Answer:

a. They are capable of anaerobic metabolism.

c. Some are methanogens.

Explanation:

The bacteria used in order to treat wastewater can be classified as anaerobic, aerobic, and facultative. Anaerobic bacteria are able to treat wastewater in low or null oxygen conditions by the process of methanogenesis. Methanogenesis is a metabolic process that involves the formation of methane (CH4) by anaerobic Archaea known as methanogens. The process of methanogenesis occurs in anaerobic environments, such as during waste sludge treatment, where these microorganisms are able to breakdown organic pollutants. Methanogens produce methane during catabolic pathways that involve the breakdown of complex molecules into simpler molecules.

Answer:

digestion

Explanation:

Answer:

The purpose of cell division is growth and the maintenance and repair of cells and tissues.

Answer:

What is the following term?

Explanation:

What you are asking is vague, you should add a term to define.

Answer:

What's the question you need help with?? I will try my best to help. I'm not taking free points btw. I'm just wondering on what your question is

Explanation:

which are hydrophobic

it is hydrophilic like water

Answer: the answer is actually earth

Explanation: A

Answer:

the wind can carry the seeds flowing water can carry seeds to different places some seeds can get stuck on people's clothes or on the fur of animals some seeds can be eaten by animals and dropped new places in their droppings

Explanation:

Hope this helps!

Answer:

3 A the 13 group boron is the nonmetal in it and in 14 group carbon is the nonmetal

Explanation:

Answer:

Optimal Growth Conditions

Explanation:

Different bacteria like to grow at different temperatures.  By changing the temperature. Organisms that grow best at human body temperature, which is approximately 37 degrees Celsius (98.6 degrees Fahrenheit), are called mesophiles.

Hope this helps.

Answer:

A

Explanation:

All of the other options are specific to water, but quite a few liquids cool off a lot faster than water.

water cools very rapidly is not a unique property of water. Thus option A is correct.

It has no taste, odor, or transparency, where the nucleus of the oxygen atom  attracts electrons strongly than the nuclei of the hydrogen atoms.

In water molecule oxygen is more electro negative and electron-greedy than hydrogen, results in the development of  a partial negative charge on the oxygen of the water and a partial positive charge on the hydrogen end.

Water shows strong cohesive property where the attraction of molecules for other molecules of the same kind is referred to as cohesion.

Surface tension is defined as  the tendency of  the surface to resist rupture when they are subjected to stress due to cohesive forces.

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Your question was incomplete, so the complete question is

Which is not a unique property of water

A) water cools very rapidly

B) frozen water floats on liquid water

C) water molecules stick to each other through hydrogen bonds

D) water covered most of the earths surface and retains a large amount of heat

Answer:

Explanation:

Mutations happen spontaneously. The rate of mutation can be increased by environmental factors such as UV radiation , X-rays, gamma rays and certain types of chemicals such as bromine. These are some factor that can increase the rate of mutation

The classic example of evolutionary change in humans is the hemoglobin mutation named HbS that makes red blood cells take on a curved, sickle-like shape. With one copy, it confers resistance to malaria, but with two copies, it causes the illness of sickle-cell anemia. Examples of beneficial mutations include HIV resistance, lactose tolerance, and trichromatic vision.

Explanation:

Look the Mutations happen spontaneosly.So this means that this can increased by the enviromental factors such as Uv radiation, The X-rays, The Gamma Rays, and for last one the certain types of chemicals such as a bromine.These are some factors that increase the rate of the mutation.

So and here is the answer that you was looking for your answer was What are some environmental agents that could increase the rates of genetic mutations among humans today? well im here for teach you and told you or explain you whatever you wanted to call ir im here for teach you The evolutionary change that are in humans is that thing how is called? yes the Hemogoblin and you will say what is that thing why i want to know what is Hemogoblin Well you have to know that that think the hemogoblin is a mutation names "HBS" that makes the red blood cells it's for that reason that is important the "HBS" but there is the bad thing about the hemogoblin it makes the Anemia that is one of the terrible things that can happen to you ok?. Look they are good and bad thing about the Hemogoblin Im going to leave you some good and bad things about the hemogoblin: (But there are things that you have to know first the normal hemogoblin is in your DNA and in your DNA it's called G A G and it has too the C T C in your RNA it's called  G A G and finally it nakes the GLU The GLU it's the normal Protein, but the hemogoblin can mutate the cell can  get sick and the letters that are like This G A G those are going to change:

                                                                  C T C They going to change like this:

                                        (mutated)--- --   G T G

                                                                   C A T                                                                           (The RNA alsi change)         G U G  

                                                                        |

                                                                        |

                                                                       \/

                                                                     Val

                       (Original No mutated)---- G A G

                                                                   C T C

                                                                   G A G

                                                                        |

                                                                        |

                                                                       \/

                                                                    (GLU)  

The GLU is the Original Protein but the Val is the mutated Protein.

Now im going to say good and Bad thing about the Hemogoblin.

Good Things

N1:It creates the Blood cells

N2:Lactose Tolerance

N3-and also the Hemogoblin includes the HIV that is a resistance

Bad things about the Hemogoblin

N1-One of the most bad things of the hemogoblin is the Anemia that is the worst things as i say that can happen to you

and that's all you have to know

PD: I hope you give brainlest i make a whole investigation of that i have to make a hypothesis and everything and im so tired i have been here like 1 hour with 45 minutes.

Answer:

B but if I'm wrong I'm so sorry I'm really tired but I think I'm right

Explanation:

Answer:

Answer is A. Diffusion

Explanation:

Because diffusion is a passive process in which a substance moves from a higher concentration to a lower concentration until the concentration becomes equal

The passive movement of particles from a region of higher concentration to a region of lower concentration is known as diffusion. Thus, the correct option is A.

Diffusion may be defined as the passive movement of particles from a region of higher concentration to a region of lower concentration.

Active transport requires energy for the movement of particles. Selective permeability may be defined as the ability to differentiate the movements of different types of particles in and out of the membrane.

Therefore, the correct option for this question is A.

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Answer:

Agavoideae

Explanation:

Answer:

tropical levels ........

Solution : It is a mixture of solvent (Major component mostly liquid) and solute (Minor component).

It is asking from a solution where water and solute are moving whether outise or inside.

26: Inside the cell (because inside the cell there is 5% solute(salt) whereas outside the cell it is 10%)

27: Outside the cell (outside the cell there is more concentration of salt so water moves out)

In Row 2 there is equal amount of salt outside and inside the cell so Solute and Solvent do not move because the solution is ISOTONIC

28: NO MOVEMENT

29: NO MOVEMENT

30: Glucose moves outside the cell

31: Water moves inside the cell (because glucose is more inside the cell)

32: Outside the cell (same reasons as above)

33: Inside the cell

34: NO MOVEMENT

35: NO MOVEMENT

36: Outside the cell

37: Inside the cell

38: Inside the cell

39: Outside the cell

40: Outside the cell

41: Inside the cell

42: Inside the cell

43: Outside the cell

Answer:

The relationship between snails and elodea is symbiotic in that the snail eats algae and produces carbon dioxide. The elodea takes in the carbon dioxide and, through photosynthesis, creates oxygen, which the snail and every living thing in the tank uses to breathe.

Explanation:

hope it helps you!!

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Answer:

It is c

Explanation:

C is the answer ur looking for my guy