Chlorophyll is a naturally occurring chelate compound in which central metal is
a. copper
b. magnesium
c. iron
d. calcium

Patricia is told by her physician that her body and brain chemistry have physically adapted to the drug and that she has become dependent on the tranquilizers prescribed for her by another doctor.

As a small change in a person's dna can cause a genetic disorder

Earths energy sources include both renewable and nonrenewable resources. name at least three sources of energy that could be used in your house. then describe the ideal energy source for generating most of your homes electricity, and explain why you chose that source. can someone give me some ideas, i’m kinda confused.