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irina1246 [14]
3 years ago
12

Which of the following statements about the effects of pollution on marine ecosystems is true?

Biology
1 answer:
Alla [95]3 years ago
4 0

Answer:

a Burning fossil fuels causes a direct increase in the temperatures of ocean water.

Explanation:

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Which country has the largest forest areas?
erastova [34]

The correct answer is - Canada.

Canada is the country that has the most forest area from the countries on this list. It is actually the second country in the world by forest area, with only Russia being in front of it. Canada has around 4,916,438 km² of forest. Brazil is very close to it, and it is in the third place globally, with the United States being placed as fourth, China as fifth, and Argentina as eight.

Canada's forests are stretching pretty much all over its southern half, creating a landscape of dense coniferous forests, and in certain areas of deciduous forests. Even Canada's flag has a leaf on it, more specifically a leaf of a maple tree.

6 0
3 years ago
Covalent or ionic: transfer of electrons<br> covalent or ionic: sharing of electrons
belka [17]

When two atoms react, they form either of two kinds of bond, ionic bonds or covalent bonds.

Ionic bonds are the type of bonds where there is transfer of electrons from one atom to another.  The electrons are removed and from one atom and attached to  another. A good example is salt which is composed of sodium and chlorine. Sodium readily loses one of its electrons and chlorine readily accepts it. Before losing the electron, sodium has a positive charge, but then becomes negatively charged after giving up the electron. Chlorine has a positive charge before gaining the electron but becomes negatively charged after gaining the electron. These opposite charges between sodium and chlorine attract the two elements together to form the ionic bond.

Covalent bonds are the kind of bonds formed when two atoms share electrons. Here there is sharing, none of the atoms loses an electron and none gains. A good example is water which is formed when oxygen  shares two electrons, each with an atom of hydrogen.

 The Oxygen atom forms two covalent bonds with the pair of hydrogen atoms.

6 0
3 years ago
Which relationship is shown in the graph?
Anika [276]

Answer:

The right answer is the prey-predator relationship.

Explanation:

The given graph details conceivably show the prey-predator relationship, in which the prey appears in red and the predator is appeared in blue. It is seen that the predator population for the most part stays less than the prey, so they can get food without any problem.  

The prey-predator relationship shows that in the event that the population of prey begin to increase, at that point the number of population in the predator would increase as well, as the predators have bountiful of food. However, when the number of preys in the prey begin diminishing, the predators begin to decrease because of the starvation.

Thus, The right answer is the prey-predator relationship.  

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3 years ago
What are your body's first line of defense? How does your skin work to protect you?
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Skin is a barrier that serves as one of the body's first lines of defense against harmful microbes. Specialized immune cells within skin tissue help to fight invading organisms. Past work by an NIH research team showed that commensals can help the body's immune cells fight disease-causing microbes.
Hope this helps you!

(っ^▿^)

7 0
3 years ago
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What are the 3 types of plate boundaries and their movement in relationship to another<br> plate?
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1.convergent
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