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lana [24]
3 years ago
8

How does a photo-voltaic cell convert light to electricity

Biology
1 answer:
Veronika [31]3 years ago
8 0
<span>Light excites electrons that create a current.</span>
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If an element Has 35 protons and 36 electrons is it called an cation or anion
kozerog [31]

Answer:

In a neutral atom the number of protons = the number of electrons. 35 protons = 35 electrons. But Bromine anion with a charge of -1 has one extra electron so 35 +1 = 36 electrons. 36 electrons is the number of electrons in the stable inert gas Krypton. ... Protons + neutrons = Mass putting in known values.

Explanation:

8 0
3 years ago
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The eggs of silk worm collected and kept in<br>refrigerator<br>in the winter season​
qaws [65]

Answer:

The eggs are kept in a cool place so that they can be stored for a long time. In a favourable condition,they hatch into larva. Larva are produced in about 2 weeks from eggs at a temperature of 18 to 25 degree Celsius

Explanation:

8 0
3 years ago
What two elements have the same number of energy level (shells)?
melomori [17]

Answer:

Elements that are found in the same horizontal row (belong to the same period) in the periodic table, e.g. Fluorine and Neon both have the same energy level of 2.

<em>Note: The question does not specify any two elements.</em>

Explanation:

The modern periodic table is organized into eight vertical columns known as groups and seven horizontal rows known as periods. The atomic number ( number of protons in the nucleus) of elements increases when moving across the periodic table from left to right. The horizontal rows or periods represents an energy levels or the number of electron shells in an element. Energy levels (also called electron shells) are fixed distances from the nucleus of an atom where electrons may be found. Elements belonging to the same period have the same number of energy level or shells. For example, the elements belonging to Period 2 include lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine and neon. These all have the same number of energy level of 2.

7 0
3 years ago
Humans can easily overcome the adverse effects of all of the following constraints on their population growth EXCEPT
Mrac [35]

Answer:

C

Explanation:

Hope this is right!!!!. Have a great day!!!

-Sarah-

6 0
2 years ago
How do the new strands compare to the original strand from which they came?
zzz [600]

Answer: The hydrogen bonds holding the base pairs together in a DNA molecule are relatively weak compared to other chemical bonds. ... The new nucleotides join together to form the sugar-phosphate backbone of a new strand of DNA. The result is two DNA molecules identical to the original.

Explanation:

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2 years ago
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