Answer:
<h2><u>
A. Having a nucleus</u></h2>
Explanation:
Many organisms have nuclei, but certain types of one-celled prokaryotes and bacteria do not have one.
Answer:
The correct answer is - D. natural selection.
Explanation:
Sexual selection takes place due to competition between individuals of the intraspecies same-sex and of mate choice which driving the evolution of reproductive traits.
Sexual selection is a mode of natural selection as it leads to the evolution of specific traits. Other examples or options are not related to sexual selection directly and are not affected by sexual selection.
Answer:
Less than one light year.
Explanation:
The sun is approximately 93,000,000 miles away from the earth. A light year is 5,865,696,000,000 miles.
Strip mining is type of surface mining which includes mining a seam of mineral, by first removing a long strip of overlying soil and rock. Strip mining is often involved in the production of coal and brown coal (lignite). The machines that enable strip mining are<span> </span>bucket-wheel excavators<span> .</span>