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3 years ago

12

What chemicals must be cycled through a Martian environment in order for the planet to be habitable for life? Describe how scien

tists intend to make those resources available in such a harsh environment.

1 answer:

photoshop1234 [79]3 years ago

4 0

The scientists intend to make chemicals

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Oil is a powerful source of energy used for cars, machines, and many other purposes. While studying sources of energy that could

KATRIN_1 [288]

Answer:

Solar power take less energy compare to other and its charge by sun According to me solar energy is best way to save energy in future

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3 years ago

Your friend challenged you to a race you know in order to beat him you must run 15 meters within 20 seconds in the northern dire

Marat540 [252]

Answer:

.75 meter north

Explanation:

v = d/t

v = 15/20

v = .75

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3 years ago

Heat is the movement from areas of ___ temperature to areas of ___ temperature

crimeas [40]

Answer:

heat is the movement from areas of <u>high </u>temperature to areas of <u>low </u>temperature

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3 years ago

A graduated cylinder was filled with 25.0 mL of water. A solid object was immersed in the cylinder, raising the water level to 3

yawa3891 [41]

Answer:

Density of the object is 8759.494 grams/L

Explanation:

As we know density of an object is mass of the object divided by its volume

Given

Volume of the object is equal to the change in volume of water with in the cylinder when the object was immersed in water.

Hence, volume of object is equal to

$32.9 -25 = 7.9$ mL

Mass of the object is $69.2$ grams

Density

$= \frac{69.2}{7.9 *10^{-3}}\\= 8759.494$ grams/L

Density of the object is 8759.494 grams/L

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3 years ago

Which of the following will allow measurement of a liquids volume with the greatest precision ?

Evgesh-ka [11]

I personally think that it’s C.
(i’m sorry if it’s wrong)

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3 years ago

Read 2 more answers