Among the given choices, the only positive effect that may be thought off with the increase in level of CO2 in the atmosphere is the increase of plant growth. Carbon dioxide is an essential compound in the photosynthesis of plants. Therefore, the answer should be letter C.
"Human height is determined by several genes located on different chromosomes" is the one among the following choices given in the question that <span>is an example of a polygenic trait. The correct option among all the options that are given in the question is the fourth option or option "D". I hope it helps you.</span>
Answer:genetic variation helps ensure that not all organisms are the same.
Explanation:
Answer:
D. Cellular respiration releases oxygen and photosynthesis releases carbon dioxide
C X-inactivation "switches off" one of the X chromosomes.
Explanation: