Answer:Natural selection is a process that causes heritable traits that are helpful for survival and reproduction to become more common, and harmful traits to become more rare. This occurs because organisms with advantageous traits pass on more copies of these heritable traits to the next generation.
Explanation:
<span>In such conditions, oxygen was available in abundance.</span>
The correct answer for this question would be letter choice A) at the poles or the first option.
B. or A. because you cant use roots to crush and soil is just dirt that isn't strong to crush
