Which of the following is not a proxy indicator that can be used as evidence that global climate change is occurring?

What do we call an individual that has inherited two identical alleles for the same trait? a.homozygous b.heterozygous c.monozzygous

Achange in which factor will affect the rate of reaction only when gases are involved? temperature pressure surface area concentration

What two atoms form a covalent bond a.a sodium and chlorine atom b. an iron and oxygen atom c. two oxygen atoms d. two sodium atoms apex