The second question has the answer of A
Answer:
zinc oxide is a pure substance
Answer:
the answer is C
Animals get the nitrogen they need by eating plants or other animals that contain nitrogen. When organisms die, their bodies decompose bringing the nitrogen into soil on land or into ocean water. Bacteria alter the nitrogen into a form that plants are able to use
The crust is the top layer of earth, mostly covered with dirt and rocks. Other layers are rock or molten rock. The top layer is way cooler than the other layers, the closer you get to the Earth's core, the higher in temperature the layer is.
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Brainliest answer is always appreciated!
Answer:
ik the answer and it is the second one im positive abt this!!