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dybincka [34]
3 years ago
6

Dams create steady water and power , but they do cost a lot and flood land__

Biology
1 answer:
Marta_Voda [28]3 years ago
7 0

Answer:

yes

Explanation:

because some advantages are avoidable

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A ______________ is a change in matter in which the substances that make up the matter change into other substances that have ph
Eduardwww [97]

Answer:

chemical change.

Explanation:

There are two types of changes in matter: physical change and chemical change.

physical change- it is a change in matter that alters only its physical properties or its physical appearance. This type of change is reversible. For example- freezing of water, the water turns into solid ice and it can be reversed by melting the ice.

chemical change- it is a change in matter that alter its chemical and thus its physical properties. Most chemical changes are irreversible. for example- burning of paper, results in black soot and ashes- Thus changing both physical and chemical properties.

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2 years ago
For larger distances such as the distance between objects in the far reaches of our galaxy astronomers ensure in units of?
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Answer:

Lightyears

Explanation:

When dealing with very large interstellar distances, astronomers do not use the regular miles, kilometers, or meters we are used to. This is because they are just too small to be used as a metric when measuring such large distances. As a matter of fact, the earthly number system will quickly be exhausted when trying to measure some of these interstellar distances.

Instead, astronomers make use of Lightyears. Lightyears are defined by the distance traveled by an object moving at the speed of light if it was moving constantly at that speed for one year.

This can properly be used to estimate interstellar distances. since its value is very large. 1 lightyear = 9,461,000,000,000 Km

If we say that our closest star is 9 lightyears away, we are saying that it will take an object moving at the speed of light 9 years to travel from that star to our planet.

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2 years ago
Which of the following is NOT a characteristic of the cortical nephrons?
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Answer:

A. their nephron loop is closely wrapped with vasa recta

Explanation:

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3 years ago
A new strain of rice was developed to be resistant to popular weed killers. What could be a negative outcome from the production
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