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Dvinal [7]
3 years ago
8

3. How do human activities such as the over-fertilizing of croplands and improper handling of animal waste (1 point)

Biology
2 answers:
dybincka [34]3 years ago
7 0

Answer:Option C

Explanation:

The human activities such as over fertilizing affects the nitrogen cycle by the running off of the fertilizer into the nearby water bodies.

The water containing more fertilizer gives rises to the algae in the water and then it decreases the amount of oxygen in the water bodies.

There is no supply of oxygen in the water bodies for the other aquatic animals.

This causes more nitrogen to move into water and hence disturbing the aquatic ecosystem and recycling more nitrogen.

Step2247 [10]3 years ago
5 0

Answer:

The answer is C, more nitrogen, impacting aquatic environment.

Explanation:

This is because the extra runoff from the fertilizer will filter into aquatic systems

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Summarize the role of bacteria in keeping the nitrogen cycle balanced.
Anna11 [10]

Answer:

dear user

the answer is given above

7 0
3 years ago
A plant has an egg with 34 chromosomes how many chromosomes does a leaf cell of that plant have
Alina [70]

for instance in humans, the somatic cells include 46 chromosomes which is the diploid wide variety (2n) and each sperm and egg has 23 chromosomes wherein one of them is the sex chromosome.


7 0
2 years ago
How do organisms compete for resources?<br> PLZ ANSWER FAST!!!
NikAS [45]

Answer:

Competition will occur between organisms in an ecosystem when their niches overlap, they both try to use the same resource and the resource is in short supply. Animals compete for food, water and space to live. Plants compete for light, water, minerals and root space.

8 0
3 years ago
Noble gases have a full outer energy level and are in active these Atoms are considered
777dan777 [17]

Explanation:

Noble gases have a full outer energy level and are inactive. These atoms are considered inert.

Hope this helps

Good Luck

7 0
3 years ago
Species A has a diploid number of 42 chromosomes, while species B has a diploid number of 48 chromosomes. Give the chromosome nu
Arada [10]

Answer:

a. autotriploid of species A: 63 chromosomes

b. autotetraploid of species B: 96 chromosomes

c. allotriploid from species A and B: 1) 66 chromosomes and 2) 69 chromosomes

Explanation:

<u>For a.</u>

this species will have 3 haploid sets of chromosomes ('tri' means 3)

one haploid set = 21

21 × 3 = 63 chromosomes

<u>For b.</u>

this species will have 4 haploid sets of chromosomes ('tetra' means 4)

one haploid set = 24

24 × 4 = 96 chromosomes

<u>For c.</u>

there are two ways to do this:

1) two sets of chromosomes from species A and one from species B

42 + 24 = 66 chromosomes

2) one set of chromosomes from species A and two from species B

21 + 48 = 69 chromosomes

Hope that answers the question, have a great day!

5 0
3 years ago
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