Answer: Nitrogen-fixing
Explanation: Nitrogen-fixing bacteria (shown here in a soybean root) are able to convert nitrogen from the air into a form that plants can use
Protons. Neutrons have no charge, so yeah. Protons are the answer.
Electron microscope.
An electron microscope has a larger zoom than a light microscope. Thus, an electron microscope will be able to see the internal structure of a nucleolus whereas a light microscope will not be able to.
I believe it is called the thermal layer
Heterozygous is the answer I think I’m not 100% sure
