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Serga [27]
3 years ago
10

Some forces act at a distance and thus do not require _______.

Biology
1 answer:
velikii [3]3 years ago
7 0
Some forces act at a distance and therefore do not require contact with the object they are acting on.

A great example of this is gravity.
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Intrusive igneous rocks cool from magma slowly because they are buried beneath the surface, so they have large crystals.

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Difference between scalawags and carpetbaggers
Dmitriy789 [7]
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6 0
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Coral reefs are built by a small organism called a polyp. The polyp creates the structure of the coral reef by building a ______
KatRina [158]
The correct answer that would best complete the given statement above would be the first option. Coral reefs are built by a small organism called a polyp. The polyp creates the structure of the coral reef by building a CUP out of a calcium carbonate. The skeletons of these tiny corals s<span>ecreted by the lower portion of the polyp. Hope this answer helps.</span>
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3 years ago
How would a population decrease in primary consumers affect the ecosystem?
kicyunya [14]
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3 0
3 years ago
The population density of frogs in a portion of a pond is 12 frogs per square meter. The size of the entire pond is 370 square m
max2010maxim [7]

Given: The population density of frogs in a portion of a pond is 12 frogs per square meter. The size of the entire pond is 370 square meters.

To find: The total population size of the frogs in the pond.

Method: Using unitary method of proportions

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Let p be the density of the frogs present per square meter.

Let A denote the total area of the pond.

∴ p = 12 frogs/m² and A = 370 m²

The total number of frogs in the pond is given by,

p \times A = 12 \times 370 = 4440

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