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Natali [406]
3 years ago
6

A student wants to model convection currents in the Earth's mantle. Which of the following should the student use

Biology
1 answer:
marishachu [46]3 years ago
5 0
The answer is C I know for a fact it is
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Which would you expect to find in both a tree fern (a fern / monilophyte) and a pine tree (a conifer)
scoray [572]

Answer:

yes

Explanation:

because it is trust me

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2 years ago
What is the source of all energy in the pyramid in model 1?
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A population of trout in a lake has significantly declined over the past year. The main source of food for the fish in this lake
andrew11 [14]

The decline in the overall population of trout and larger fish is because the Insect population has decreased.

<h3>What is a population?</h3>

A population is a group of organisms of the same species living in the same habitat.

Population of organisms is affected by;

  • availability of water
  • space
  • food and nutrients
  • predators
  • climate change

Since the population of trout is directly affected by the number of insect species, the decline in the overall population is because the Insect population has decreased.

Learn more about population at: brainly.com/question/746835

3 0
2 years ago
The hormone secretin
Ymorist [56]

Answer: Option C

Secretion hormone stimulates the release of pancreatic fluid.

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Secretion is a digestive hormone secreted by the duodenum(upper part of small intestine) that stimulates the release pancreas fluid and regulates the water homeostasis thought out the body and around duodenum. Its also regulates pancreas, liver and stomach secretions.

7 0
3 years ago
A metal in group 16 of the periodic table can become a chemically stable ion by
vova2212 [387]

Answer : A metal in group 16 of the periodic table can become a chemically stable ion by gaining 2 electrons.

Explanation :

The group 16 element are oxygen, sulfur, selenium, tellurium and polonium.

The general electronic configuration of group 16 elements is, ns^2np^4

As we now that there are total 6 electrons in p sub-shell. So, a metal in group 16 can become a chemically stable ion by gaining 2 electrons.

M+2e^-\rightarrow M^{-2}

Hence, a metal in group 16 of the periodic table can become a chemically stable ion by gaining 2 electrons.

6 0
3 years ago
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