Cellulose, that is the molecule that makes a tree sturdy.
I don’t knows if it has options, but Evolution
Answer:
Alexander Fleming
Explanation:
Which scientist developed the idea that microorganisms can cause diseases?
Paul Ehrlich
Answer:
they are both space stations
Explanation:
trust me it's correct (: !
It is extremely useful for geologists, because most specimens of a given mineral are very close to the same hardness. ... So, we can conclude that not all the rocks are hard, and the hardness of rocks depends on how the atoms of the rock's minerals are bound to each other and how they are arranged.