During photosynthesis, carbon dioxide and (oxygen / sodium chloride / water / methane) are converted through a series of reactions into two products: high-energy (proteins / hydrocarbons / sugars / sunlight) and (carbon dioxide / carbon monoxide / hydrogen/ oxygen) gas.

measuring light intensity

light meters can be used to measure light intensity. the meter is held at the soil surface and pointed in the direction of the maximum light intensity, and then the meter is read.

errors can be made when measuring light intensity by accidentally shading the light meter. the reliability of the results can be checked by taking many samples.

b is the answer and if you need further with anything message me

i think the answer would be a. after sentence 14! i hope i at least a little