I think that u need to use the book because it said which part from number 3? not sure tho<span />
The difference between extrusive and intrusive rocks are how they cool
down. Extrusive rocks cool down quickly and are created by lava; because
of this they have very small, fine-grained crystals. Intrusive rocks
cool slowly beneath the surface of the earth and are created by magma;
because the cooling process is very slow the rocks have very large
crystals.
Carbohydrates, Lipids, Proteins and Nucleic Acids
The answer is C. Pathogens
Answer:
I believe the answer is A "There is an interaction between environment and gene expression."
Explanation: