Atoms that have an electrical charge by either having gained or lost electrons are called
question 3 options:
a)
elements
b)
covalents
c)
ions
d)
molecules

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .

What would most likely happen if a person increased the amount of saturated fat in his or her diet? the person's risk of cardiovascular disease would increase. the person's risk of cardiovascular disease would decrease. the person's bad cholesterol would decrease. the person’s good cholesterol would increase.

How many pounds does the earth weigh?