Answer: Since the base of a cylinder is a circle, we substitute 2πr for p and πr2 for B where r is the radius of the base of the cylinder.
Explanation:
It would be harder for us to identify all the different types of animals that lived long ago.
The country with number of hydroelectric projects underway is Pakistan.
<h3>What is hydro electric power?</h3>
Hydroelectric power are energy that are generated using water.
They covert energy form a flowing water into electrical energy.
Pakistan have made use of hydroelectric power but still have proposal on developing new hydropower.
Therefore, The country with number of hydroelectric projects underway is Pakistan
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Answer:
A sensitive infra-red telescope
Explanation:
Infrared light is highly advantageous for astronomers as it helps in discovering and studying the astronomical objects that are observed in the night sky.
This infrared light is commonly used in the telescopes to study the distant stars, and by analyzing them, they are classified as different types like L or M types. These telescopes, by using the infrared light, it is able to detect the presence of stars and other astronomical bodies, and this type of telescopes helps in determining the temperature of the distant objects such as the stars, planets, and other objects.
