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ycow [4]
2 years ago
11

The fish pond are dying because of algal bloom. Algal bloom is caused by the presence of excess phosphorus or sulfur in the pond

. An investigation into the matter indicates hat chemical fertilizers made in a factory nearby are responsible for the presence of these chemicals in the water. Under what conditions might this data be considered biased?

Biology
1 answer:
Masja [62]2 years ago
7 0
D is the only logical answer
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Convection in the upper mantle
xz_007 [3.2K]

Answer:

D) movement of the tectonic plates.

Explanation:

Lets understand first what convection is. It refers to the process through which denser material sinks and less dense material rises. This is because less dense material is more buoyant than denser one.

The earth is composed of water, rocks and air and all these things lower their density when there occurs an increase in their temperature.

So what happens when convection occurs in the upper mantle of earth, it raises the less dense material called magma  in uprising direction, because of the extreme heat in the Earth’s core. When molten lava moves upwards it moves in a fashion of convection, but then it cools down and sinks again.

As the earth surface is made up of tectonic plates. Scientists believe that when convection occur in mantle layer, it causes the movement of plates, This movement can be away from, or towards each other. The movement of tectonic plates causes shifts continents, ocean basins, earthquakes and pushes up mountains.


So D is best option.

Hope it helps!



8 0
3 years ago
Read 2 more answers
What characteristics do cell membrane and cell wall have in common
mars1129 [50]
This won't be the answer your looking for but there both in the body and are in a cell
4 0
3 years ago
Read 2 more answers
Noah has collected a mold specimen found on a tree in his backyard. Noah knows the mold is a decomposer, but what role does mold
svp [43]

Answer:

the correct answer is A

Explanation:

definition of a decomposer is an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.

so A is the answer

If brainiest is earned its greatly Appreciated

5 0
3 years ago
A scientist investigated whether giving plants different quantities of magnesium affected their growth. He
liberstina [14]

The hypothesis that the scientist could test in his investigation is as follows: IF plants are given more than 2.0mg of magnesium, THEN their growth will be negatively affected.

<h3>What is an hypothesis?</h3>

Hypothesis is a tentative conjecture explaining an observation, phenomenon or scientific problem that can be tested by further observation, investigation and/or experimentation.

An hypothesis is commonly referred to as an educated guess because it tends to provide a temporary explanation for a phenomenon.

According to this question, a scientist investigated whether giving plants different quantities of magnesium affected their growth. He measured growth by counting the number of new leaves produced.

The hypothesis of the scientist regarding the above experiment could be as follows: IF plants are given more than 2.0mg of magnesium, THEN their growth will be negatively affected.

Learn more about hypothesis at: brainly.com/question/13025783

#SPJ1

4 0
11 months ago
Which of these is true about asexual reproduction?
Mekhanik [1.2K]

Answer: B) Genetic information is passed from parent to offspring, with no genetic variation.

Explanation: Cause I got it right on USA

TESTPREP, next time can you please put the multiple choice complete!

7 0
3 years ago
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