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love history [14]
3 years ago
6

What kind of waves are used by all of these communication tools pls help quickly

Biology
1 answer:
PSYCHO15rus [73]3 years ago
7 0

Answer:

Radio waves, microwaves, infrared and visible light can all be used for communication.

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How did mammals survive the mass extinction?
harkovskaia [24]

Answer:

C. Both of the above.........

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3 years ago
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The amount of matter in a given amount of space is known as the
Lostsunrise [7]

<u>Density</u> – The amount of matter in a given space. In scientific terms, density is the amount of mass in a unit of volume.

or

The amount of matter in a given amount of space is known as the <u>Density.</u>

hope it helps you

6 0
3 years ago
You read an article about vegetables grown in the United States. According to the article’s author, Americans need to take
Scorpion4ik [409]

Answer: Option D.

It is an evidence -based report.

Explanation:

An evidence based report is a report that is written based on scientific evidence to draw out conclusion or arguments for guidance and decision making for the people.

The article that was written, was base on some scientific proof that vegetables lack some nutrients. The vegetables have been analyzed and the constituents have been known. Conclusion was arrived at the Americans need to take dietary supplements to meet up with the daily nutrients requirements while taking vegetables.

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3 years ago
Which of the following species is diamagnetic? View Available Hint(s) Hint 1. How to determine magnetism Which of the following
m_a_m_a [10]

Answer:

Explanation:

Cl = 1s2 2s2 2p6 3s2 3p5

Al = 1s2 2s2 2p6 3s2 3p1

Fe2+ = 1s2 2s2 2p6 3s2 3p6 4s2 3d4

S2- = 1s2 2s2 2p6 3s2 3p6

Diamagnetic materials are repelled by a magnetic field; an applied magnetic field creates an induced magnetic field in them in the opposite direction, causing a repulsive force. If all electrons in the particle are paired, then the substance made of this particle is diamagnetic.

S2- is diamagnetic because of its paired electrons in the outermost shell.

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Do one gene controls human hair color?
sveta [45]
Well, it depends. If the fathers gene is stronger then you will get his hair color. So the answer is yes.
3 0
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