I think it’s B because usually you pass down things with your X and Y chromosome
A drought might result in a famine because without water, plants won't be able to grow, so the organisms that eat the plants will starve, as will the organisms that eat the organisms that eat the plants, and the organisms that eat the organisms that eat the organisms that eat the plants, and so on, resulting in a famine.
The ozone layer, it keeps the UV rays out but because of us humans and the chemicals we release it is breaking down the molecules and now some harmful UV rays can come onto the earth surface
Cell walls are thicker than cell membranes, and can therefore support the cell well. They keep a strong boundary for the protection of the cell, but can let water and some nutrients through to nourish and power the cell. Hope this helps! :)
Explanation:
<h3>2. DNA is used to code for proteins, which these organelles synthesize.</h3>
