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Rasek [7]
3 years ago
10

To detect an extrasolar planet by means of the Doppler shift, you look for a periodic shift of the spectrum lines of the a. star

the planet is orbiting. b. planet. c. star and the planet.
Geography
1 answer:
natka813 [3]3 years ago
3 0

Answer:

A. star the planet is orbiting

Explanation:

The doppler effect is in the form of electronic waves such as light waves used in astronomy also called as the red or blue shift.  Used to measure the speed at which the stars and galaxies orbital motion i.e approach or recede around us. This shift happens on a small scale. it is also used to detect an Exoplanet hiding in the space.

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Nuclear proliferation is best described as __________. A. the growth of world nuclear stockpiles B. the destructive capabilities
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The "spread of nuclear weapons and technology" is known as Nuclear Proliferation.

Answer: Option D

<u>Explanation: </u>

Nuclear proliferation is described as the spread of weapons , fissionable material, and nations that are not recognized as "Nuclear Weapon States" by the Treaty is known as the "Non-Proliferation Treaty or NPT" of Nuclear Weapons.

Proliferation is opposed by many nations due to fear of arise in nuclear warfare with nuclear weapons. This leads to de-stabilization of international or regional relations, or infringe upon the national sovereignty of states.

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3 years ago
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The __________ are nomadic hunter-gatherers who inhabit the Kalahari Desert. A. Ewe B. San Bushmen C. Maasai D. Tuareg Please se
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Answer:

B

Explanation:

the San Bushmen were are the oldest inhabitants in Africa and the term San is referred to group of hunter- gatherers

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3 years ago
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The population of Greater Jakarta, Indonesia, grew from less than 4 million in 1970 to about _____ in 2000.
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8.3 million

Explanation:

The population of Greater Jakarta, Indonesia, grew from less than 4 million in 1970 to about 8.3 million in 2000.

6 0
3 years ago
Which was not a domestic source of South Africa’s economic growth between 1950 and 1980?
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Answer:

D: modern technology

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Modern technology was usually imported from other countries and was not a domestic resource to Africa.

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Apply the mnemonic Cuddly Old Sheep Dogs Make Perfect Pets; They Just Crowd People Nearby Quietly to place in order some of the
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The order of these periods is the Cretaceous period, Jurassic period, Triassic period, Devonian period, and Cambrian period.

The phrase "Cuddly Old Sheep Dogs Make Perfect Pets; They Just Crowd People Nearby Quietly" is one technique used to organize geological periods. In this phrase, the first letter of each word represents a period.

For example:

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  • Make starts with "m" and represents the Mississippian period

In this context, the order of the given periods from the most recent to the oldest one is:

  • The Cretaceous period "crowd"
  • The Jurassic period "just"
  • The Triassic period "they"
  • The Devonian period "dogs"
  • The Cambrian period "cuddly"

Learn more in: brainly.com/question/7277813

7 0
2 years ago
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