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Archy [21]
3 years ago
7

I NEED HELP WITH ALL QUESTOONS PLEASE

Biology
1 answer:
Ulleksa [173]3 years ago
3 0

Answer:

3) B

4) A

5) B

Explanation:

3) Sun heats up the air of a particular region due to which the air heated rises up ( as hot air is lighter than cool air ). When the hot sir rises , the cool air from other region comes there & like this wind blow.

4) A toaster uses electricity to produce heat in order to toast bread  So here the electric energy is converted to thermal energy.

5) Windmills , Hydroelectricity dams & Ethanol plants have turbines & turbines do have a generator which is to be rotated . When the generator is rotated , electricity is generated.

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Almost 50 percent of water withdrawn in the US, is used up by thermoelectric power plants. The table below shows the amount of w
sp2606 [1]

Answer:

The number of thermal power plants increased between 1950 and 1975.

Explanation:

Here, the table that shows the amount of water withdrawn in billion gallons per year, between 1950 and 2005,

Year              1950            1965            1975            1990           2005

Amount         180              340             420               410              410

Since, 420 > 180,

Also, 50 percent of water withdrawn is used up by thermometric power plants.

Thus, thermal power plants in 1975 > thermal power plant in 1950

Therefore, the number of thermal power plants increased between 1950 and 1975.

Second option is correct.

Note : first option is incorrect.

Since, by the above table,

The least amount of water used by power plant is 180 billion gallons per year,

Thus, third option is incorrect,

Now, the table does not represents energy produced,

Fourth option can not be said correct.

3 0
3 years ago
An advantage of a complete digestive system over a gastrovascular cavity is that the complete system _____.A) excludes the need
babunello [35]

Answer:

B. Allows for specialized regions with specialized functions

Explanation:

Where the complete digestive system has different specialized regions to perform specialized functions, the gastrovascular cavity is the primary organ of digestion and circulation in two major animal phyla: the Cnidaria (including jellyfish and corals) and Platyhelminthes (flatworms).

6 0
3 years ago
Select all that apply.
BigorU [14]

Answer:

Sunlight, Carbon dioxide, chlorophyll, and water are needed for photosynthesis to be carried out.

Explanation:

These 4 elements are essential to photosynthesis since they each allow the plant to grow and sustain homeostasis.

6 0
3 years ago
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What are some functions of calcium?
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Calcium is one of the most important minerals for the human body. It helps form and maintain healthy teeth and bones.
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Function
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-Sending and receiving nerve signals.
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-Releasing hormones and other chemicals.
-Keeping a normal heartbeat.
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What general surgical techniques are necessary for a live donor kidney transplant?
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Kidneys for transplant can come from a living or a cadaver. Nephrectomy is the surgical removal of one or both kidneys. It is done by removing a healthy kidney from what you call a donor.They are usually to treat kidney diseases and injuries.
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3 years ago
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