Nitrogen returns to the atmosphere through a process called(1 point)
Responses
nitrification.
nitrification.
nitrogen cycle.
nitrogen cycle.
denitrification.
denitrification.
nitrogen fixation.

11 months ago

11 months ago
Nitrogen from animal waste can be stored in bodies of water as(1 point)
Responses
ammonia.
ammonia.
nitrates.
nitrates.
nitrogen gas.
nitrogen gas.
nitrites.

11 months ago
nitrates.

11 months ago
Living organisms can incorporate ________ into their metabolism.(1 point)
Responses
nitrites
nitrites
nitrogen gas
nitrogen gas
nitrates
nitrates
ammonia

11 months ago
ammonia

11 months ago
Usable forms of nitrogen can intentionally be increased in the soil by(1 point)
Responses
lightning.
lightning.
planting fewer beans.
planting fewer beans.
planting more trees.
planting more trees.
allowing organic matter to decompose.

11 months ago
allowing organic matter to decompose.

11 months ago
Identify the first step in solving this equation for x : 7(x − 8) = 49 . (1 point)
Responses
Divide only the left side by 7.
Divide only the left side by 7.
Multiply both sides by 7.
Multiply both sides by 7.
Add 8 to both sides.
Add 8 to both sides.
Divide both sides by 7.

11 months ago
Divide both sides by 7.

11 months ago
Identify the second step in solving this equation for y : −3(y + 6) = 21 . (1 point)
Responses
Divide both sides by 6.
Divide both sides by 6.
Divide both sides by −3
.
Divide both sides by negative 3.
Subtract 6 from both sides.
Subtract 6 from both sides.
Add 6 to both sides.

11 months ago