What is the carbon/oxygen cycle? How does oxygen enters the atmosphere?
How does carbon dioxide enters the atmosphere?
What are 3 ways oxygen is released into the environment?

Explanation:

*Plants use carbon dioxide in a process known as photosynthesis. During photosynthesis, plants give off oxygen as a waste product. Carbon dioxide moves from the air into the leaves of plants through tiny openings in the plant's leaves.

*Plants use sunlight and carbon dioxide to produce oxygen through the process of photosynthesis.

*Carbon dioxide is added to the atmosphere naturally when organisms respire

*Plants

each of the 46 original chromosomes splits into two daughter chromosomes, so there are two sets of 46 daughter chromosomes that end up in each cell. human cells have 46 chromosomes. each chromosome consists of a pair of identical chromatids attached together by a structure called a centromere.

all answers true and false

explanation: