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Ilia_Sergeevich [38]
3 years ago
15

How can natural selection occur in a population over time? help as soon as possible

Biology
1 answer:
Ronch [10]3 years ago
4 0
Over time, those who cannot live through the temperature differences/have undesirable qualities will die off. Overtime, those with desirable qualities are left and they will continue the population.
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Will give brainlist if right!
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List some characteristics of each type of seismic wave. Include what type of material (solids, liquids, or both) each can travel
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The primary wave or the P wave is the fastest kind of seismic wave. These waves can travel through the fluids like the liquid or the water layers of the Earth, and solids rocks. It pulls and pushes the rock it moves through similar to the sound waves that pull and pushes the air. These waves are also called compressional waves, due to the pulling and pushing they do.  

The secondary wave is also known as the S wave is slower in comparison to a P wave, and possess the tendency to move through the solid rock, however, not through any kind of liquid medium. The characteristic of the S wave helped seismologists to conclude that the outer core of the Earth is a liquid. The S waves help in moving the particles of rock side to side perpendicular to the direction of the wave or up and down.  

The Love wave and Rayleigh waves are the two kinds of surface waves. These waves possess lower frequency in comparison to the P and S waves. Of the surface waves, the Love waves are the fastest surface wave and move the ground from side to side.  

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4 0
3 years ago
What is a cross-bridge?
devlian [24]

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d. the movement of myosin head while attached to actin myofilament

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During muscle contraction, the calcium ions released from the sarcoplasmic reticulum in the sarcoplasm bind to troponin which in turn removes tropomyosin from the myosin-binding sites present on the actin. Hydrolysis of ATP at the myosin heads energize them. These myosin heads with stored energy bind to the myosin-binding sites on the actin filaments. In their bound conditions on the actin filaments, myosin heads are called cross bridges. Only one myosin head of a single myosin molecule forms cross-bridge at a time.

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D

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<h2><u><em> it is towards the shore i just took the test on edg.</em></u></h2><h2><u><em>PLEASE VOTE ME BRAINLIEST!!</em></u></h2>
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