Answer:
C. Desertification.
Explanation:
This is mainly caused by overgrazing and other human and natural activities in this areas. When desertification happens in a land area, it hampers the land ability to support life; affecting wild species, agricultural crops, domestic animals and people. Its negative effect includes famine of the inhabitants, also mass migration, as it can also cause extinction of some organisms or species.
The answer is A because LI-6 and Li-7 are the same except that Li-7 contains an extra neutron
Answer:
C.Test for microtubule proteins, because only eukaryotes have microtubules.
Explanation:
Although some bacteria have similar cellular components, microtubules are only found in eukaryotic cells. This is why it is most likely that if it finds the components that form microtubules, the unidentified organism belongs to the group of Eukaryotes.
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