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exis [7]
2 years ago
15

Two environmental changes are described below: Environmental change 1: Many small tree saplings are competing for sunlight on th

e forest floor. Environmental change 2: Many bluebirds have become ill with the infectious West Nile virus. Which statement is true about these environmental changes?
Biology
1 answer:
lilavasa [31]2 years ago
3 0

Answer:

Both statements are true

Explanation:

Many small tree saplings are competing for sunlight on the forest floor because tree saplings in forest floors are often deprived of adequate light as a result of the shade created by bigger trees in the forest. <em>Hence, the saplings jostle for light in order to effectively carry out light-requiring physiological activities such as photosynthesis and chlorophyll synthesis.</em>

The West Nile virus a virus that <em>generally affects the central nervous systems of birds - the primary host. It is transmitted from one bird to another through contact and by a vector - the mosquito</em>. The virus is also capable of being contracted by humans where it causes fatal neurological disorders.

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Which statement correctly describes a chemical reaction?
o-na [289]

Answer:

C). Bonds between atoms break and reform.

Explanation:

A Chemical reaction is defined as the process in which the substances(two or more) interact and form new substances by rearranging the atom structure of the substances. This process primarily consists of two steps i.e. breaking of chemical bonds that exist between the atoms in the original substances and the formation of new bonds to produce the new substance. Thus, the bonds break and reform. Hence, <u>option C</u> is the correct answer.

4 0
3 years ago
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Answer:

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Explanation:

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7 0
3 years ago
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valentina_108 [34]
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5 0
2 years ago
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nignag [31]
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