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SSSSS [86.1K]
2 years ago
10

20. These two landform features can isolate and protect a civilization:______ and____

Geography
1 answer:
____ [38]2 years ago
7 0

Answer:

Explanation:

Two landforms that can isolate and protect a civilization are mountain ranges and seas. Mountain ranges block invaders as they are hard to ascend and require invades to find a detour, thus prolonging the invasion. The sea is another barrier because the sea can be dangerous and so vast that people can get easily lost.

Hope that helps!

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Deltas are built up by<br> a. deposition.<br> b. leaching.<br> c. abrasion.<br> d. erosion.
lesya692 [45]

The correct answer is - a. deposition.

The deltas are formed at the mouths of the rivers right before they enter a large water body, like ocean, sea, or lake. The rivers carry lot of material with them, and they do not have any problem carrying it while they are moving faster, but when they are slowing down significantly, they lose the force required to carry the material, so the material starts to deposit on the river banks. As the material deposits, it makes it hard for all of the river's water to pass through its river bed that is becoming partially blocked, so the river starts to branch out, and seen from above it takes a triangular shape if the peripheries are outlined, or as a tree that is branching out.

4 0
3 years ago
Read 2 more answers
Trái đát có mấy đại dương
Varvara68 [4.7K]

Như bất kỳ học sinh cấp lớp nào có thể nói với bạn, Trái đất có bốn đại dương: Thái Bình Dương, Đại Tây Dương, Ấn Độ Dương và Bắc Cực. Về mặt lịch sử, hầu hết các quốc gia đều công nhận mô hình 4 đại dương này, có xu hướng tập trung vào Thái Bình Dương, Đại Tây Dương và Ấn Độ Dương là các đại dương chính.

5 0
2 years ago
How do the population densities of La Paz and Lima compare?​
Gre4nikov [31]

Answer:

La Paz is a bit more densely populated than Lima, since the former has a population density slightly higher than this of latter.

Explanation:

In this case, we need to know the populations and occupied area of the city. By definition, population density is the ratio of the population of the city to the occupied area in the same location.

The required information is gathered below:

La Paz (Bolivia)

Population: 1.801 million (Metropolitan area)

Occupied area: 475 square kilometers.

Population density: 3792 inhabitants per square kilometer.

Lima (Perú)

Population: 9.674 million

Occupied area: 2672 square kilometers.

Population density: 3621 inhabitants per square kilometer.

In this case, La Paz is a bit more densely populated than Lima, since the former has a population density slightly higher than this of latter.

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3 years ago
In what case with a recessive allele be expressed in the phenotype of an offspring
aleksley [76]
People with an aa genotype will express a recessive trait

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Plant and animal cells were observed under a microscope. The characteristics of two cells are listed below.
erastovalidia [21]
Cell D is a plant cell and Cell C is a animal cell
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