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In-s [12.5K]
4 years ago
8

A glacier is a large, slow-moving mass of ice typically found far away from the Earth's equator. However, scientists have found

many rocks in Africa with scratches made by glaciers. What conclusion can be drawn from this evidence?
A. Africa is currently home to several types of glaciers.

B. Parts of Africa were once located farther away from the equator.

C. Humans are responsible for moving the rocks with glacial scratches to Africa.

D. Glaciers can scratch rocks long after the glaciers have melted.

E. Glaciers only scratch rocks that are located near the equator.
Biology
2 answers:
Tju [1.3M]4 years ago
5 0
E. Glaciers only scratch rocks that are located near the equator
Allushta [10]4 years ago
3 0

I think the answer is B . Unless the rocks came recently, It proves that Pangea was real.

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Identify the rectangular solid that represents the cell with the smallest amount of plasma membrane per volume of cytoplasm
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Solid 1 has the smallest amount of plasma membrane per volume of cytoplasm

<em>Note: The question is incomplete. The attachment below gives the complete question</em>

Explanation:

The outermost surface of a cell is bounded by the plasma membrane which functions to maintain the integrity of the cell as well as control the movement of particles in and out of the cell.

The ratio of the surface area of a cell to the volume of the cell indicates how big the cell is. When the surface area to volume ratio is small, the cell is very big, but if the surface area to volume ratio is big, the cell is small.

From the attachment below, the surface area (plasma membrane) per volume of plasma of the rectangular solids are as follows:

Solid 1: 10/2 = 5 cm⁻¹

Solid 2: 12.18/2 = 6.09 cm⁻¹

Solid 3: 19.0/2 = 9.5 cm⁻¹

Solid 4: 34.24/2 = 17.12 cm⁻¹

Solid 5: 65.79/2 = 32.895 cm⁻¹

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4 years ago
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