Why does photosynthesis require light to occur?

a. Cellular respiration produces light

b. Light adds energy and photosynthesis is endothermic

c. Light adds energy and photosynthesis is exothermic

d. Photosynthesis produces light

Which of the following will be the final stage in the sun s life cycle? a. nova stage b. red giant stage c. planetary nebula stage d. black dwarf stage

Which factors affect heat transfer between a warm and a cool substance? the time it took to heat the substance, the area of contact, and the specific heats of the substances the amount of time of contact, the area of contact, and the specific heats

What is a wetland? Question 5 options: A wetland, as the name suggests, is an area with very wet land. Marshes and swamps are wetlands because they consist of wet, spongy soil.

Dr. o is playing in her garden again. she needs 1 kg of potting soil for her plants. she has 750g. how much more does she need?

What causes unsaturated fatty acid to have different shape than saturated

What is the relationship between earth, the sun, and the moon in space

What is the product P?

Why might a placoderm be more useful index fossil than a cockroach?

Which part of nephron most of the reabsorption takes place?

A friend of yours is considering drinking one glass of wine a day because she has heard that it may reduce her risk of heart attacks. What information would you provide to her?