Write down everything that you know about climate or climate change.

Nitrogen-14 and nitrogen-15 are isotopes of the same element. how do these two isotopes differ? a. they have different numbers of nuclei. b. they have different numbers of protons. c. they have different numbers of neutrons. d. they have different numbers of electrons.

Which of the following is true about the law of segregation? a.alleles will separate a zygote is created during fertilization b.allele pairs will separate when gametes are formed c.some alleles are dominant while others are recessive

In which layer of the sun do sunspots form?