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geniusboy [140]
3 years ago
6

an atom is the smallest particle known to exist there are only about 100 different kinds of atoms that combine to form all subst

ances there are thousands of different kinds of atoms that account for a wide variety of substances a large atom can be photographed with the aid of an ordinary microscope None of these
Physics
1 answer:
Agata [3.3K]3 years ago
3 0

Answer:

There are only about 100 different kinds of atoms that combine to form all substances.

Explanation:

An atom contains subatomic particles like electrons, protons and neutrons. There are about 118 different kinds of atoms which combine to form a wide variety of substances. A large atom cannot be observed by an ordinary telescope. A transmission electron telescope is used to view atom.

Thus, the correct statement is: There are only about 100 different kinds of atoms that combine to form all substances.

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2. Radio stations are usually identified by their
Mice21 [21]

The wavelength of the radio wave is 0.303 m.

<h3>Wavelength</h3>

The wavelength of the wave is the distance traveled by the wave.

c = fλ

where;

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  • f is frequency
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λ = c/f

λ = (3 x 10⁷ ) / (99 x 10⁶)

λ = 0.303 m

Thus, the wavelength of the radio wave is 0.303 m.

Learn more about wavelength here: brainly.com/question/10728818

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2 years ago
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Why is creativity important in constructing specific methods?
Nat2105 [25]

Hi!

The correct option would be C.

<h3>Explanation:</h3>

Scientific method is the protocol in an experiment for a hypothesis that involves testing, measurement, observation and necessary modification of hypothesis during the course of the experiment. There are several manners and experiments that can be tested for the hypothesis, and plenty of ways to design an experiment.

Scientific experiments can be very tricky to design, owing to the numerous parameters and variables that need to be accounted for. Of course, there are some relatively simple experiments. Creativity is needed for all branches of science, because each field presents obstacles in discovery, and creativity allows for us to devise ways around those obstacles. Science has always tested humans ability to think outside the box and question their surroundings, and creativity has been the driving force.

Hope this helps!

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