What is the main function of the part labeled Y in the model? A To hold and protect the cell's DNA

B. To store enzymes that break down food
C. To store food and other materials inside a cell
D. To use energy from sunlight to make sugars

How does litmus paper indicate an acid?

Joseph has hypothesized that sound travels in waves. if he were following the scientific method, what should he do next? a. ask a question. b. test the hypothesis. c. study the results. d. tell other scientists about his hypothesis.

*will mark you brainliest + 15 points ** why does the equilibrium of a system shift when the pressure is increased? a. to maximize the stress on the system b. to stop restoring equilibrium to the system c. to increase the total moles of gas in the system d. to decrease the total moles of gas in the system