What happens during photosynthesis? a) carbohydrates are released into bloodstream
b) carbon dioxide is released into air
c) an organism captures energy in sunlight and uses to make its own food
d) glucose is broken down releasing energy

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of