What is the role of the green substance chlorophyll in photosynthesis? (2 points) Chlorophyll collects water from the ground.
Chlorophyll captures energy from the sun.
Chlorophyll captures carbon dioxide from the air.
Chlorophyll moves water up the stem to the leaves.

Which of these is a physical property

What is the area in square meters of 448 g ai foil that has a thickness of 23921 nm? the density is 2.70 g/cm

Harry lives in a city, and he has a lung condition known as asthma. on certain days, harry has to stay inside because pollutants in the air make it difficult for him to breathe. which of these pollution sources are nonpoint sources that might bother harry if he goes outside? choose the two that apply.