Which is not a compound?
a: 8h2
b: h2o
c: 6cao
d: 5hci

Natural selection changes allele frequencies because some survive and reproduce more successfully than others.

Kinases add - groups to other enzymes. this activities some enzyme while inhibiting other

Which contributions did galileo make to the model of the solar system? check all that apply. a mathematical model for the orbits of the planets scientifically accurate data on planetary orbits data that showed that planets reflected sunlight similar to earth's moon up the idea that stars are other suns that do not move u observations of the moons of jupiter rotating around the gas giant