An ion of calcium has a + 2 charge, and an ion of chlorine has a - 1 charge.

How many chlorine ions are needed to create a stable ionic compound with an ion of calcium?

What makes a resource nonrenewable

Describe the two most important events in the history of animal life that occurred at the beginning and at the end of the Paleozoic era. (2 pts) List and briefly outline the six different periods into which the Paleozoic era is divided. (6 pts)

During which process is converted into a sequence amino acks protein production?

Of the four most abundant gases in our atmosphere, which one shows the greatest variation at the earth's surface

When is a sea breeze most intense

On what two structures in your cells are your two alleles for a trait located?

When egg whites are whipped they stiffen into a meringue. the change that occurs in the protein is called?

The sudden death of brain cells when their blood supply is interrupted is called

In a population of giraffes, dark brown spots are the result of a homozygous recessive condition. if the frequency of the allele for this condition is 0.

What is the purpose of your answer for question #1? A) can only move substance into the cell with the use of ATP B) is only used to remove large waste products from the cell C) are specifically meant to carry the smallest ions in and out of the cell