Why are bacteria required in the nitrogen cycle?
A. Nitrogen needs to be fixed before it is used by plants.
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B. The xylem in plants cannot function without bacteria.
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C. Plant DNA can only be transmitted by bacteria.
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D. Plants need to pull nitrogen directly from the air.

You have 125g of a certain seasoning and are told that it contains 76.0 g of salt what is the percentage of salt by mass in this seasoning

*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

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change?