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Len [333]
3 years ago
15

The envelope of air that surrounds the earth is called​

Chemistry
1 answer:
svlad2 [7]3 years ago
4 0

Atmosphere is the envelope of air that surrounds the earth.

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A male construction worker regularly consumes 18 000 kJ of energy per day. Suggest the effects this could have on his health.
Romashka [77]

Answer:

It could lead to Fatigue

Low energy.

Headaches.

Aches, pains, and tense muscles.

Chest pain and rapid heartbeat.

Explanation:

8 0
3 years ago
Please help I will mark brainly
wolverine [178]
The first one i think
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How much heat is required to change temperature of 2g of water from 34°C to 68°C? (Water has a specific heat of 4.18)
statuscvo [17]

Answer: B

Explanation:

To find the amount of heat required, you would use q=mcΔT.

q=2g(4.18J/g°C)(68-34°C)

q=284.2 J

*Please ignore the capital A in the equation. I can't find a way to type in the degree sign into the equation without the A appearing.

4 0
2 years ago
A sample of water has a volume of 24.0 millimeters and a mass of 23.8 grams. what is the density
victus00 [196]
24.0mm^3=24÷10÷10÷10cm^3
density=Mass÷Volume
3 0
2 years ago
Which statement supports the claim that the continental crust was once joined together as one supercontinent, Pangaea?
Liula [17]

Answer:

each continent shifts 2-5 inches per year so once it was joined then it is what it is now.In a million years again it will comes closer and wjo knows what will happen.moutains will be formed as the tectonic plates will collide.

5 0
3 years ago
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