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Rama09 [41]
3 years ago
5

Name two natural forces that can shape valleys and mountains?

Biology
2 answers:
RideAnS [48]3 years ago
7 0
Volcanoes and erosion.
belka [17]3 years ago
6 0
Some of many natural forces include tornados, erosion, and  tectonic plates shifting ( earthquake )
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Insect hormones and their receptors ________. A. act independently of each other B. are a focus in pest control research C. util
Leokris [45]

Insect hormones and their receptors are a focus in pest control and research. Hence, Option B is correct.

Some of the insect hormones such as ecdysone (molting hormone), JH (juvenile hormone) and their analogs can be used for biological  control of pests.

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So Option A is incorrect.

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Option C: Peptide hormones interact with only cell surface whereas aminoacid derivatives and thyroid hormones directly interact with nucleus. so Option C is incorrect.

option D is incorrect.

Learn more on hormone receptor complex here:

brainly.com/question/15241630?utm_source=android&utm_medium=share&utm_campaign=question

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3 0
1 year ago
HELPPP ASAP!!!
liubo4ka [24]

Answer:

B

Explanation:

They altered rocks into soil that was able to support simple plants such as grasses. This is an example of altering the environment around them to make it more habitable for other species.

7 0
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