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notsponge [240]
3 years ago
9

Which type of mirror would you use to cook a hot dog and why?

Physics
1 answer:
alexandr1967 [171]3 years ago
8 0
As long as it’s a good mirror then any one of them is fine bc at the end of the day i’m getting a hot dog
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Why does the cord of an electric heater not glow while the heating element does​
Strike441 [17]

Answer: Why does the cord of an electric heater not glow while the heating element does? The heating element of the heater is made up of alloy which has very high resistance so when current flows through the heating element, it becomes too hot and glows red. But the resistance of cord which is usually of copper or aluminum is very low so it does not glow.

Explanation:

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3 years ago
Compare the physical sciences to the life sciences.
Elden [556K]

1.Life science involves fields of discipline catering to living organisms such as we humans while physical science caters to non-living organisms.

2.Life science has more fields of discipline than physical science.

3.Physical science relies on laws and theories to explain concepts while life science relies on biological explanations and can also rely on theories.

6 0
3 years ago
Read 2 more answers
This is science :)
iris [78.8K]
1 to 5 would be your answer
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3 years ago
Complete the graphic organizer by telling what the advantages and disadvantages of each type of renewable energy are. (Look in p
inysia [295]

Answer:

PRO'S OF SOLAR ENERGY: reduced electricity bills, low maintenance cost, renewable energy source.

CONS OF SOLAR ENERGY: Cost, relies on weather, takes up a lot of space.

PROS OF WIND ENERGY: Clean environment, cost effective, Free

CON'S OF WIND ENERGY: Wind turbines are noisy, strength of wind is not always reliable

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CONS OF GEOTHERMAL ENERGY: Greenhouse emission, high investment cost, requires a lot of land.

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CONS OF BIOMASS ENERGY: Emissions, deforestation. cost.

PROS OF HYDROELECTRIC ENERGY: Good for the environment, reliable, efficient.

CONS OF HYDROELECTRIC ENERGY: Expensive, not always safe, you can't place hydroelectric energy anywhere you want.

***If you found my answer helpful, please give me the brainliest. :) ***

6 0
3 years ago
The density of air on the Earth decreases almost linearly with height from 1.22kgm–3 at sea level
Paraphin [41]
P = 10^5 - ρ (average)gh

where ρ (average) = average air density between 0 and 5000 m = (1.22+0.74)/2 = 0.98

we know g & h

I get P = 52470 Pa
3 0
4 years ago
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