7. Which word BEST describes symbiosis? O A. ecosystem
O B. relationship
O C. living
OD. environment

*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

Particles vibrate in a rigid structure and do not move relative to their neighbors.

The plant food contains nh4)3po4 what tests would you run to verify the presence of the nh4 ion and the po4 ion