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Gnesinka [82]
3 years ago
9

First to answer both CORRECTLY gets brainleist!

Chemistry
2 answers:
ycow [4]3 years ago
8 0

Answer: As the temperture of a main sequence star increases, the luminosity increases, vice versa

Cool and bright

Explanation:

madam [21]3 years ago
4 0

Answer: I am actually studying about Stars, so I got you.

3. As the temperature of a star Increases, it's luminosity increases.

As the temperature of a star decreases, it's luminosity decreases.

4. Hot and Bright. The bigger the star, the hotter it gets is from what I learned.

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A system that does no work but that transfers heat to the surroundings has
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Which statement best describes what the volume of an object represents
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Volume is the amount of space taken up an object.

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George is writing a newspaper article about the fire at the local library. His introductory paragraph has an example of conserva
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3. The ideal gas law allows you to calculate which quantity that is not possible in Boyle's or Charles' law? a. volume b. pressu
erastova [34]

Answer:

d. The number of moles

Explanation;

  • According to the ideal gas;

P = nRT

where, P is the pressure, n is the number of moles, R is the ideal gas constant and T is the absolute temperature.

  • Charles's law and Boyle's law revolve around, volume, temperature and pressure.
  • According to Charles's law volume and temperature of a fixed mass of a gas are directly proportional at constant pressure.
  • That is; V α T
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5 0
3 years ago
The Quiver tree grows in Southern Africa. Which of the following plant adaptations is likely to prevent these trees from dying o
Gekata [30.6K]

Answer:

The correct option is Ability to store water in leafy structures to prevent excess evaporation.

Explanation:

Desert plants need to have adaptations so that they can withstand the harsh conditions of the environment. In order to withstand the harsh temperatures of the desert, a quiver tree has leafy structures which help it to store water for long time. In this way, water is prevented to be lost from the tree due to evaporation. Hence, it is an effective adaptation to live in desert conditions.

The Quiver tree also has white powder on is branches to hide from the Sun's rays.

4 0
4 years ago
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