Which method developed at the end of the 1980s lead to a major change in how scientists categorized organsims?

No that answer is wrong. you have written the function of mitochondria in chloroplast and function of chloroplast in mitochondria.

1.989×10^30 kg is the weight of the sun.

Only algae, oak trees, and bermuda grass produce atp by photosynthesis i am almost positive

No because the eaeht is on a 23.5 degree axis tilt and so when it is winter the northern hemisphere is pointing away from the sun and the soutubern hemisphere is pointing toward the sun