Which of the following produced most of the oxygen that is found in the atmosphere today?

A living organisms

B outgassing

C condensation

D photodissociation

My gut is telling me B but I could be wrong ...

Which of the following explains when a recessive gene is passed on? when a genetic mutation occurs when the trait is in its second generation when the father exhibits the recessiv when both parents possess the recessive allele

Which statement best describes the relationship between forces? Strong nuclear and weak nuclear forces are most alike because their range is short.

7. If the DNA molecule is so similar among all living things (the pairings are always the same and that there are only six components that make up DNA), why is there so much diversity of life?

Which of the following is not supported by the endosymbiotic theory? (a) Ancient prokaryotes ingested the smaller prokaryotes in a parasitic relationship.

What evidence have you discovered to explain some ways that different types of animals are provided with structure and support?

Describe Coriolis effect and explain why it affects ocean currents.

If the original cell has 46 chromosomes how can each daughter cell also have 46 chromosomes

In what order does water transition from ocean water to rain water?

Where did pompeii worms get their names from

When you scratch a mosquito bite, you damage some cells. Damaged cells release histamine, which causes localized swelling. The swelling can crush cells, causing them to release more histamine. This is an example of