Answer: c
Explanation: Plants and animals need nitrogen to make proteins but they cannot take it in from the air. Because nitrogen is unreactive as a gas, it has to be transformed into a new molecule. When bacteria in the soil takes nitrogen from the air, it becomes nitrates. Finally, it can move through the food chain in this form.
It is a substance that takes part in and undergoes change during a reaction
The answer is males<span> have both an X and a Y </span>chromosome<span>denoted 46,XY.</span>
The answer that apply is:
<span>They carry energy
</span><span>They travel from the epicenter.
</span><span>They vibrate throughout the lithosphere.
</span>
Reason why the following the false:
<span>They move in one direction- seismic wave do not only move in a direction but spread out through the plate,that's why a large area would be affected.
</span><span>They are produced by earthquakes. - seismic waves are not produced by earthquake but the opposite,earthquake occurs due to the release of seismic wave when the ground break and vibrates.</span>
There were 4 proteins that were created.
