Two classmates are disagreeing about whether it is possible to live without the adrenal gland. Which of the following statements offers a correct explanation for why this gland is needed?

The adrenal gland is needed because it produces
glucagon which stimulates the liver

insulin which regulates blood sugar

aldosterone which controls blood volume.

aldosterone which regulates blood calcium levels.

there are 35 white marbles

step-by-step explanation:

y- yellow marbles

4y + 5 = 45

subtract 5 from both sides

4y = 40

divide for from both sides

y = 10

plug in 10 to get 40 yellow marbles then subtract by 5 to get 35 marbles

thus there are only 10 yellow marbles

lysosome is this part of the cell is surrounded by a very thick outer membrane to protect the rest of the cell from its strong enzymes.

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.