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Savatey [412]
3 years ago
13

Ecosystems can change over time because of physical processes or

Biology
1 answer:
Snezhnost [94]3 years ago
6 0

Answer:

Human activities

Explanation:

Because humans impact the physical environment in many ways: overpopulation, pollution, burning fossil fuels, and deforestation. Changes like these have triggered climate change, soil erosion, poor air quality, and undrinkable water.

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How did life as we know it come from?
snow_tiger [21]
Scientifically speaking, life began when 2 stars collided and burst to make a bunch of tiny molecules that shaped life
7 0
4 years ago
The part of the plant where you would find the most cellulose is ? ( dont say cell walls , im looking where at
pochemuha

Answer:

d-stem

Explanation:

Cellulose is most abundant in meristems tissues which are present in the tips of the root and stem and in the cambium between the xylem and the phloem and under the epidermis of the trees and shrubs, therefore it is abundant in the stems.

Meristems are also found in other parts of the plant  but it is mostly abundant in the stems.

Meristems are the cells that are responsible for the cell growth and elongation.

3 0
3 years ago
Why does the presence of high concentrations of salts in soil pose a problem for plants? Select all that apply. If taken up by t
GenaCL600 [577]

Answer:

If the salts are not filtered from the transpiration stream, they can damage the plant.

If excluded by the root, the salts can make it harder for the root to extract water from the soil.

Explanation:

When soil has high salt concentration, it becomes very difficult for the plant to take in water. Sometimes the problem becomes so peculiar that plant becomes completely unable to take in the water and hence they wilt and die. This happens even when the surrounding soil has sufficient water but remains un-drawn by the plants due to its high osmotic potential resulting due to highly concentrated salt solution. Therefore, more energy and effort is required by roots to extract water from salty sand.

Also if the salt concentration with in the plant increases, it remains there and causes damage

Hence, correct options are

If the salts are not filtered from the transpiration stream, they can damage the plant.

If excluded by the root, the salts can make it harder for the root to extract water from the soil.

4 0
4 years ago
What are the stages called that organisms go through from birth to death. Metamorphosis Life span Life cycle Longevity
denpristay [2]
Life Cycle Obviously
5 0
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How could a tropical storm affect you personally?
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Answer:

it can stress you out because of the danger you're in

8 0
4 years ago
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