Endosymbiosis
that is my explanation hopefully its right
It was used till the 1960s. Hope i helped.
<h2>As carbon dioxide in the process of photosynthesis</h2>
Answer:
The testes are two oval-shaped male reproductive glands that produce sperm and the hormone testosterone.
Answer:
No,
Although the atmosphere is mostly made up of nitrogen, it is in the form of gas known as dinitogen N2. Plant cannot use this form.
Explanation: