Nitrogen, even though makes for about 78% of our atmosphere, and is by far the most abundant gas in it, we can not use it because it can not be taken out of the atmosphere as it is. If we take nitrogen in the form as it is in the atmosphere it is useless for both humans and plants. It has to go through a process of ''fixation'' first before we can actually use it in our food.
Radioactive wastes and spent nuclear fuel are to be contained and isolated properly for a long period of time because when properly contained and controlled it pose dangers to the environment and the people with its very high radioactivity. One hazard it may pose to the environment is mutation.
Due to less food energy because biotic are that primary source
Answer:
Hydrogen bonds.
Explanation:
The DNA double helix is held together by two main forces: hydrogen bonds between complementary base pairs inside the helix and the Van der Waals base-stacking interaction.
About 5 hours based on the cell. Hope this helped
