Answer: D. Exposure to neurotoxin, which affect the endocrine system
Plant cell walls are primarily made of cellulose, which is the most abundant macromolecule on Earth. Cellulose fibers are long, linear polymers of hundreds of glucose molecules. These fibers aggregate into bundles of about 40, which are called microfibrils.
Idk if this will help....?
Well, they can create mountains and move tectonic plates. The also bring minerals to the surface <span />
I can think of one...
there is gravity pulling everything to the center of the earth, therefore the earth is spherical because gravity is equally distributed, pulling everything to Earth's center equally.
Oman is a country. i believe. just google it.