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nalin [4]
3 years ago
5

Suppose that in 2014, the Hubble Space Telescope discovers a series of planets with the following characteristics moving around

a star resembling our Sun: spherical, solid surfaces; mean densities about four times that of H2O; radii about 4000 km; low-density atmospheres. How would these planets be classified in terms of our solar system?
Geography
1 answer:
GrogVix [38]3 years ago
8 0

Answer:

Terrestrial (rocky) planets

Explanation:

These planets would be classified as rocky planets because of their small diameter, relatively high density, and low-density atmospheres. The profile of such a planet is, in fact, very similar to that of Mars, which has a radius of just under 4000 km, an atmosphere thinner than that of Earth and a density also less than that of Earth.

Gas giant planets have much lower densities and much larger dimensions than the terrestrial planets as more gravity is needed to retain their massive, gaseous atmospheres.

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3 0
2 years ago
Describe the course traveled by each of Africa’s major rivers.
Naya [18.7K]

Answer: Africa includes the rich source of water drainage in the form of rivers.

Explanation:

The course travelled by the major rivers in Africa are as follows:

1. Congo: Center to north and further to the Western region finally drains into the Atlantic Ocean.

2. Nile: Northeastern part to the North and then finally to the Mediterranean Sea.

3. Zambezi: South eastern to Indian Ocean.

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8 0
3 years ago
Which dating technique was used to establish that the age of the volcanic ash at the Laetoli site was 3.6 million years old
Schach [20]

The dating technique which was used to establish the age of the volcanic ash at the Laetoli site is: potassium-argon (K/A) dating.

<h3>What is absolute dating?</h3>

Absolute dating can be defined as a radioactive process that is typically used to accurately determine the age of a rock, volcanic ash or fossil, by measuring the decay of the isotopes that is associated with the rock or within the fossils.

Thus, scientists can accurately determine the age of a volcanic ash, rock or fossil by measuring its isotope concentration such as through the use of potassium-argon (K/A) dating.

Read more on dating here: brainly.com/question/20325924

7 0
2 years ago
Which of these is true about colons?
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I think both options are true!
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The majority of renewable power in South America comes from which source?
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