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Scrat [10]
3 years ago
15

Can i get help on 8-12

Biology
1 answer:
Pani-rosa [81]3 years ago
8 0
8. light and dark purple, rose pink, colourless, green, yellow orange, smokey...
9. Russia...
10. largest copper mine is found in Utah... copper is mostly used in electrical generators and motors and for electrical wiring, this is because it is such a good conductor of electricity...
11. titanium is mainly mined in Western Australia... it is used in the medical field for implants and replacement such as hip bones...
12. lead from pencils is found in your home..it is know as Galena and is mined in USA...

hope this helps you alot!!
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What will be the percentage of potassium-40 remaining after 3.9 billion years?
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Potassium-40 has a half life of 1.251×billion<span> years</span><span>. To determine the percentage potassium-40 remaining after 3.9 billion years, divide
3.9 by 1.251, = 3.12.

This is the number of times the original amount of potassium-40 reduces by 50%. The remaining percentage is therefore 100%/(3.12 * 2) = 16.03%.</span>
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3 years ago
he Atomic Theory states that protons and neutrons are packed closely together in a small nucleus and electrons are found surroun
sergij07 [2.7K]
2 and 3 are too similar to distinguish because they both are saying it's been back up on several different accounts but 3 seems like a more solid answer go with 3
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3 years ago
How many protons and electrons does Calcium have?
alexandr402 [8]

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Explanation:

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3 years ago
Determination of Caloric Content of Three Foods1. Compare the calorimeter that you built to a bomb calorimeter. How are they sim
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The answers to both parts (1 and 2) are given below.

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2. Carbohydrates are the molecules that break down and provides energy for cellular functions. Whereas, proteins are not meant for the production of energy but for the production of amino acids to function as structural units for protein synthesis. Simply, the breakdown of protein is for the synthesis of more proteins by providing several units of amino acids rather than the production of energy.

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3 years ago
Explain the full meaning of xerophytes​
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