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notsponge [240]
2 years ago
13

What effect does human activity have on many ecosystems?

Biology
2 answers:
Savatey [412]2 years ago
6 0

Humans impact the environment in several ways. Common effects include decreased water quality, increased pollution and greenhouse gas emissions, depletion of natural resources and contribution to global climate change.

miskamm [114]2 years ago
4 0

Answer:

It destroys Habitats

Explanation:

All the other ones make absolutely no sense. Examples of why this is right is deforestation and lack of recycling causing oceans to be polluted.

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1. How would this method or replication reduce errors (mutations) in newly constructed DNA?
bazaltina [42]

Answer:

DNA polymerase proofreading

Explanation:

Proofreading by DNA polymerase corrects errors during replication. Some errors are not corrected during replication, but are instead corrected after replication is completed; this type of repair is known as mismatch repair.

3 0
2 years ago
The powerhouse of the cell: that is a term used to describe the ______________, because it's main function is to produce energy
spin [16.1K]
The powerhouse of the cell: That is a term used to describe the MITOCHONDRIA, because its main function it to produce energy for cellular activities.

Mitochondria is the host of cellular respiration. This is where the Mitochondria take in glucose and oxygen to produce energy and is distributed all throughout the body as energy-rich molecules of ATP.
5 0
3 years ago
After the bank robbery, the very frightened people probably experienced increased activation of the sympathetic nervous system,
nata0808 [166]
The answer is Adrenaline

Adrenaline is a stress hormone secreted by the adrenal glands and some other neurons when a person is frightened, excited or generally in stress.

It prepares our body for it's 'fight or flight' mechanism and tightens muscles for exertion.

After a bank robbery, most people feel a rush of adrenaline.
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7 0
3 years ago
What are the first two steps of the scientific method in order?
victus00 [196]

Answer:

The basic steps of the scientific method are: 1) make an observation that describes a problem, 2) create a hypothesis, 3) test the hypothesis, and 4) draw conclusions and refine the hypothesis.

Explanation:

7 0
2 years ago
Which nucleic acid provides the master code for protein synthesis?
ioda
MRNA it is the messenger, for it "feeds" information
8 0
3 years ago
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