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PilotLPTM [1.2K]
3 years ago
13

3) __________ transmit signals that carry pictures, data, music and conversations invisibly over long distances and have been th

e basis for almost all non-written communication and most wireless technologies used by humans today. A) Microwaves B) Radio waves C) Seismic waves D) Infrared waves
Chemistry
2 answers:
kondaur [170]3 years ago
8 0
The correct answer is letter b. Radio Waves.

<span> Radio waves are generated </span>by way of <span>radio transmitters and </span>acquired by using<span> radio receivers. </span>one of a kind<span> frequencies of radio waves have </span>distinct<span> propagation </span>characteristics in the<span> Earth's </span>atmosphere<span>. It is also known to be a kind of electromagnetic radiation.</span>
kykrilka [37]3 years ago
8 0

The correct in this question is B, because air planes use towers and those towers use radio waves to find and direct the planes.

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Molodets [167]

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Filament

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2 years ago
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What is/are the product(s) of a neutralization reaction of a carboxylic acid?
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RCOOH + NaOH → RCOONa + H₂O   (salt and water)

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3 0
3 years ago
Which characteristic can be inherited?
FinnZ [79.3K]

Answer:

long toes

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the other traits are personality related, not a biological factor. they can be learned, but not inherited

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In the past mining companies were not made responsible for the clean-up of any of the mine sites. As a result, abandoned mines h
Andre45 [30]

Answer:

Old and inefficient mining smokestacks contaminate the soils around abandoned mine sites.

Explanation:

A smokestack, is a very tall channel commonly used in many instances to release gases produced by combustion processes directly into the air. These high towers are aimed at dispersing the gaseous pollutants over a wider area thereby minimizing their impact.

Old and inefficient smokestack do not contaminate the soil since they are very high towers that discharge gases directly into the atmosphere. Hence they are not part of the sources of soil contamination in abandoned mines.

4 0
2 years ago
PLEASE HELP!!! WILL MARK BRAINLIEST!
fredd [130]

The longest chain of carbons will contain the highest number of carbon atoms.

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question 3 - the longest chain have 7 carbon atoms

question 4 - the longest chain have 8 carbon atoms

question 1 - the longest chain have 5 carbon atoms

You may find in the attached picture the longest chain colored in blue for each of the compounds.

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longest carbon chain

brainly.com/question/4859077

brainly.com/question/3542033

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