Answer the following questions

1. What are two sources of carbon dioxide in air?

2. what are trace gases

3. what are 2 processes that use oxygen?

Why did we cut both segments of DNA with the same restriction enzyme?

Brown eyes are dominant over blue eyes. If a woman with a dominant brown eyes, (homozygous) reproduces with a man with recessive blue eyes, what is the chance they will have a child with brown eyes?

Biology Bob is angry that Chemistry Carl has sent a vase of red roses to his girlfriend, Phyllis Physics. Bob dumps 10% saltwater into the vase. Rose cells have about 1% salt inside.

Why do we not have many fossil records from the precambrian era?

Most eukaryotic cells spend most of their cell cycle in which phase

Which organ is a part of circulatory system? select one of the options below as your answer: a. brain b. heart c. lungs d. stomach?

Although they do not have recent common ancestors, birds and bats have similar body shapes necessary for powered flight. what pattern of evolution does this relationship represent?

The science of naming organism and putting them into classification group is?

What kind of energy does the TV have

What can stimulate cell regulators to increase cell reproduction? fragmentation hormones isogametes elongation