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g100num [7]
3 years ago
5

Which will occur if humans continue to overload water systems with excess nutrients?

Biology
2 answers:
Korvikt [17]3 years ago
6 0
Kkhhfkdkkkkkkdbd Disney e Keene en
fomenos3 years ago
3 0

Answer:

Eutrophication.

Explanation:

This is the natural process of excessive enrichment of water with nutrients by which large amount of living organic matter grows in the water.lakes slowly develop large concentration of aquatic life, which eventually decays. Human activities have speeded up this natural process of eutrophication by adding mineral and organic nutrient in larger quantities.

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What role does mutation play in the evolution of an organism?
Andrew [12]

Answer:

Mutation plays an important role in evolution. The ultimate source of all genetic variation is mutation. Mutation is important as the first step of evolution because it creates a new DNA sequence for a particular gene, creating a new allele.

5 0
3 years ago
Which of the three things provide evidence that South America, Africa, Antarctica, and Australia were once together as one super
bazaltina [42]

Answer:

- Glacial deposits and scratches in the bedrock from an ice sheet match in distant regions

- Fossils of marsupials were originally the same across South America and Australia

- Cratons match across the edges of continents

Explanation:

South America, Africa, Antarctica, and Australia were all once part of one super-continent. This super-continent has been named Gondwanaland. As the geological processes got more intensive though and Gondwanaland separated into smaller land masses, continents, which we now know as the continents on the Southern Hemisphere. There are numerous clues that confirm that these continents were once connected. Some of the clues are the matching cratons on the edges of the continents, the glacial deposits and scratches in the bedrock are also matching, lot of fossilized flora and fauna from the same species have been found in several of these continents, the marsupials in South America and Australia  etc.

8 0
3 years ago
Read 2 more answers
What happens to the body when motor neurons are injured?
spayn [35]

ANSWER:

Lesions are areas of damage to motor neurons. Damage to upper motor neurons stops the signals your muscles need to move. When your muscles don't move for a long time, they become weak and stiff. Over time, it can become harder to walk and control your movement.

Explanation:

I hope it will help you

5 0
3 years ago
Robert Hooke was the first person to observe that every sample of living things he observed under a microscope were composed of
aksik [14]
The answer is:

A) Cells are the basic unit of life.
6 0
3 years ago
Do autotrophs need to carry out cellular respiration?
yawa3891 [41]
Plants do carry out cellular respiration
They use it to convert glucose, a product from photosynthesis, into ATP, the energy carrying molecule

Btw plants and animals carry out cellular respiration
ONLY PLANTS carry out photosynthesis because they make their own food but they still need to convert it into energy
7 0
3 years ago
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