Help We’re learning this and I don’t know the answer

C, student 3

Explanation: Mold decomposes the bread(eats it), Koalas consume food, Mushrooms decompose, and Oak, being a tree, produces oxygen using the sun. Think of producers as mostly plants, where they produce energy from the sun. Then those consumers eat the plants, such as koalas eating leaves. Then the decomposers, molds and mushrooms, come in and eat the producers once they die.

your answer is "the 1950's"

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.