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Pachacha [2.7K]
3 years ago
10

HELPLP!!! Please it a test

Biology
2 answers:
Elis [28]3 years ago
3 0

Answer:

species

Explanation:

attashe74 [19]3 years ago
3 0

Don't listen to that idiot it's A

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Consider this plant cell. Which organelle is labeled A?
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image so we can answer the question?

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Insects are an important biological resource because they: A. enrich the soil with nitrogen. B. help control weeds and insect pe
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Answer: Option B.

Help control weeds and insect pests.

Explanation:

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Insects are biological resources in that they help control weeds and insects pest.

The insects are use as weed control in that they feed on the weeds i.e they use the weeds as food there by absorbing the nutrients for weeds development, which lead to their inability to survival. Some canivorous insects feed on insects pest i.e use they as food, thereby reducing their harmful effects in the ecosystem.

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In the eighteenth century, it was observed that milkmaids were less likely to contract smallpox than others. What caused this tr
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The milkmaids are already and multiple times have the exposure with the small pox. This develops the memory of the small pox virus infection in the immune cells of the individual and they are less likely on the infection exposure with the small pox.

Thus, the answer is prior exposure to smallpox.

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