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podryga [215]
3 years ago
15

In ancient times, plant and animal remains got buried, compressed, and transformed into fossil fuels like coal. Burning these fo

ssil fuels today will affect which biogeochemical cycle?
a.The water cycle
b.The phosphorus cycle
c.The carbon cycle
NextReset
Biology
1 answer:
dem82 [27]3 years ago
8 0

Answer:

C

Explanation:

In ancient times, pant and animals remains got buried, compressed and transformed into fossil fuels like coal. burning these fossil fuels today will affect the carbon cycle

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Celery stalks that are immersed in fresh water for several hours become stiff. Similar stalks left in a 0.15 M salt solution bec
mixer [17]

Answer:

From this it can be deduced that the fresh water is hypotonic and the salt solution is hypertonic to the cells of the celery stalks.

Explanation:

When submerged in water, the celery stalks become stiff and hard, this shows that water moves within the stalk, thus, water is hypotonic in comparison to the celery stalk. Therefore, water moves from the region of higher concentration to the region of lower concentration.  

When the same celery stalk is administered into the 0.15 M solution it turns soft, which shows that water from the celery stalk moves out. Thus, the salt solution is hypertonic in comparison to the celery stalk. Therefore, freshwater is hypertonic and the solution of salt is hypertonic to the celery stalk cells.  

3 0
3 years ago
Which of the following is a function of the cell membrane?
Crazy boy [7]

Answer:

The answer is C.

Explanation:

The cell membrane controls what enters and leave the cell. Therefore, eliminating any waste the cell doesn't need.

6 0
3 years ago
Which of the following correctly compares cloning and gene therapy?
Gala2k [10]

Answer:

Both cloning and gene therapy are types of biotechnology.

Cloning is a type of biotechnology and gene therapy is not a type of biotechnology.

8 0
3 years ago
Given a very unusual cell with an intracellular fluid containing 1 mM calcium phosphate and an extracellular fluid containing 10
vladimir1956 [14]

Answer:

M.P = 140.46 Vm

Explanation:

Membrane potential can calculated using the following equation:

<em>(61/z) ln ([X]out/[X]in)</em>

where z is the charge of Ca2+ ion and X represent the concentrations By applying necessary calculations…

Membrane potential = (61 / 2) ln (100 x 10^-3 / 1 x 10^-3)

                                  = 30.5 x 4.60 = 140.46 Vm

8 0
3 years ago
The end product(s) of the light-independent reactions of photosynthesis is/are - Select all that apply.
iren2701 [21]

Answer:

Glucose

Explanation:

The light dependent stage produces oxygen while the light independent stage produces glucose ( a carbohydrate)

Oxygen and glucose are the two products of photosynthesis.

7 0
3 years ago
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