Answer is: buffers.
Buffer solution is a solution<span> consisting of a </span>mixture<span> of a </span>weak acid<span> and its </span>conjugate base<span>, or weak base and its conjugate acid. Its pH changes very little when a small amount of </span>strong acid<span> or </span>base<span> is added to it. Buffer solutions keep pH at a nearly constant value.
</span>Some buffers are: ethanoic acid and sodium ethanoate, <span>ammonia solution and ammonium chloride.</span>
<span>Single events or several causes working together to produce extinction in a short period is referred to as mass extinction.
Example:
</span>Destruction of forests, mountains, and bodies of water to satisfy human needs result to the imbalance of nature which also give rise to global warming.
<span>Animals and plants have lost their habitats. They lost their means to live. They lost their food sources and they suffer and die because of humans irresponsible acts.</span>
1. is A
2. is D
hope i help
Your body circulates more blood and your heart beats faster.
You need more energy to do activities that take more effort.
pls give brainliest.
Answer:
Your answer is B) <em>Arginine-Leucine-Proline-Asparagine-Lysine-Arginine</em>.