Explain gravitational pull of aphelion vs. Perihelion for Earth (technically it's an Earth Science question)

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?

Explain what a zygote is. use the terms egg cell, sperm cell, and fertilization in your explanation.

Asegment id dna that is artificially created from two or more organism through use of dna enzymes in a laboratory is called a segment of dna that is artificially created from two or more organisms through use of dna enzymes in a laboratory is called