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ser-zykov [4K]
2 years ago
6

The traits of the offspring are the

Biology
1 answer:
lesya692 [45]2 years ago
3 0

the correct answer is

alleles or genes

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PLZZZZZZ HELPPP how do we obtain energy from wind PLZ WRITE A PARAGRAPH ABOUT ITTT PLEASEEEEE
sladkih [1.3K]

Explanation:

Wind energy, or wind power, is created using a wind turbine, a device that channels the power of the wind to generate electricity. The wind blows the blades of the turbine, which are attached to a rotor. The rotor then spins a generator to create electricity . Wind energy is a renewable energy source that is clean and has very few environmental challenges. Wind power actually starts with the Sun. In order for the wind to blow, the Sun first heats up a section of land along with the air above it. That hot air rises since a given volume of hot air is lighter than the same volume of cold air. Cooler air then rushes in to fill the void left by that hot air and voila: a gust of wind. The Office of Energy Efficiency and Renewable Energy describes a wind turbine as “the opposite of a fan.” Simply stated, the turbine takes the energy in that wind and converts it into electricity. So how does it do that? First, the wind applies pressure on the long slender blades, usually 2 or 3 of them, causing them to spin, much like the wind pushes a sailboat along its path through the water. The spinning blades then cause the rotor, or the conical cap on the turbine, and an internal shaft to spin as well at somewhere around 30 – 60 revolutions per minute. The ultimate goal is to spin an assembly of magnets in a generator which will, well, generate voltage in a coil of wire thanks to electromagnetic induction. Generators require faster revolutions, however, so a gear box typically connects this lower speed shaft to a higher speed shaft by increasing the spin rate to around 1000 to 1800 revolutions per minute. These gear boxes are costly as well as heavy, so engineers are looking to design more “direct-drive” generators that can work at the lower speeds.

5 0
2 years ago
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How does clear cutting compare with selective cutting, and why is selective cutting considered more sustainable than clear cutti
Alenkasestr [34]
Selective logging—the practice of removing one or two trees and leaving the rest intact—is often considered a sustainable alternative to clear-cutting, in which a large swath of forest is cut down, leaving little behind except wood debris and a denuded landscape.
8 0
3 years ago
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A hawk receives energy by eating other animals.  What type of organism is a hawk?​
anyanavicka [17]

Answer:

Explanation: Carnivore because it eats meat (other animals)

7 0
3 years ago
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Which of the following does not generally have the effect of increasing biodiversity.A. Increasing habitat complexity B. Introdu
natta225 [31]
B. Introducing innovative species
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3 years ago
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what differences do you observe in the syringe or its contents before the air was pumping into the syringe and after?
Kaylis [27]

Answer:

what differences do you observe in the syringe or its contents before the air was pumping into the syringe and after?

Explanation:

When an air bubble enters a vein, it's called a venous air embolism. When an air bubble enters an artery, it's called an arterial air embolism. These air bubbles can travel to your brain, heart, or lungs and cause a heart attack, stroke, or respiratory failure.You can compress it, or squeeze it into a smaller volume. When you push on the plunger you can feel the air pushing back. When you stop pushing, the air inside the syringe will return to its original size.

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