<h2>Hey there! </h2>
<h2>The correct option is:</h2>
<h3>plants, animals, and humans</h3>
<h2>Explanation:</h2>
<h3>All the living things need respiration to survive, like plants animals etc.. </h3>
<h2>Hope it help you </h2>
C. Carbon
Mercury is dangerous to humans
Carbon is the main element in organic compounds, so carbon is essential to life on Earth.
They depend on the salt water to survive which is in the air when the wind blows
Evolution has led giraffes to have very long necks. Trees in the savannah have less leaves on bottom branches because of other animals. For the giraffe to survive, their necks slowly became longer as they could eat more leaves from upper/top branches. If they had not evolved longer necks, they would not exist today.