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Setler [38]
3 years ago
13

What percentage of known marine plant and animal life do coral reefs contain?

Geography
1 answer:
ValentinkaMS [17]3 years ago
4 0
I'm unsure but i think the answer would be : A. 25%.

Hope this helps ! 

Photon
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1. low

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3 years ago
What causes the chemical weathering of a rock containing iron to become soft and crumbly and reddish brown in color
zlopas [31]

Oxygen causes the chemical weathering of a rock containing iron to become soft and crumbly and reddish brown in color.

<h3>What is the role of oxygen in rock weathering?</h3>

Oxygen is said to be a very reactive element and this often makes it reacts with rocks and this often leads to rust formation and others.

Therefore, Oxygen causes the chemical weathering of a rock containing iron to become soft and crumbly and reddish brown in color.

Learn more about Oxygen from

brainly.com/question/26073928

#SPJ12

5 0
2 years ago
Name the 10th most populated countries of the world
Scorpion4ik [409]
Foe me, the most one is my country which is Armenia!
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3 years ago
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The entire region of Northern Africa and Southwest Asia has a climate generally described as
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B hot all day and night
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Either a decrease in population or a decrease in income will cause consumers to demand _____ goods and services at each price le
Viefleur [7K]

Either a decrease in population or a decrease in income will cause consumers to demand less goods and services at each price level. This can be seen from the demand curve: which shows how much buyers are willing and able to buy at different prices (he price is plotted on the vertical (Y) axis while the quantity is plotted on the horizontal (X) axis). The demand for a normal product rises when income rises, and vice versa. So, in our case if the goods are "normal" the demand will be decreased

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