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Goryan [66]
3 years ago
6

Explain Alfred wegener's hypothesis

Physics
1 answer:
grandymaker [24]3 years ago
8 0
He proposed the theory of Continental Drift. He believed that all of the continents were once joined together in a super continent he called Pangea (not sure if that's spelled right I studied this awhile ago). He proved this by showing similarities in fossils in completely different continents and showing how well the continents could fit together.
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Why are such scientific advances still valuable?
Sergeu [11.5K]
Because the more advances made in the world means the more we can learn on how things work and how we can better the lives of humans and other species. If we didn't have scientific advancements we wouldn't have cell phones, electric, tv, car, computers, ect. We would still be living in Cave man era with clubs and horrible language skills.
4 0
3 years ago
Which is a characteristic of the atom marked A
erastovalidia [21]
Its very dense. Hey, are you homeschooled?
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3 years ago
3. Read this sentence from the text: "Most of the solar radiation is absorbed by the atmosphere
Semmy [17]
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6 0
3 years ago
A wave of wavelength 0.3 m travels 900 m in 3.0 s. Calculate its frequency.
zzz [600]

Answer:

1000 Hz

Explanation:

<em>The frequency would be 1000 Hz.</em>

The frequency, wavelength, and speed of a wave are related by the equation:

<em>v = fλ ..................(1)</em>

where v = speed of the wave, f = frequency of the wave, and λ = wavelength of the wave.

Making f the subject of the formula:

<em>f = v/λ.........................(2)</em>

Also, speed (v) = distance/time.

From the question, distance = 900 m, time = 3.0 s

Hence, v = 900/3.0 = 300 m/s

Substitute v = 300 and λ = 0.3  into equation (2):

f = 300/0.3 = 1000 Hz

6 0
3 years ago
A single-phase, 125-volt receptacle installed to serve a washing machine in the laundry room of a dwelling unit must be installe
Allisa [31]

A single-phase, 125-volt receptacle installed to serve a washing machine in the laundry room of a dwelling unit must be installed within at least 6 Feet of the intended location of the appliance.

In  every kitchen, dining room, library, bedroom or area of dwelling units etc the receptacle units outlet shall be installed with provision specified in article 210.52(A)(1) and through (A)(4) while learning the article attached

Spacing: Receptacles should be installed at the point that wall space is more than 6ft or 1.8m from the receptacle.

Read more about Dwelling unit:

brainly.com/question/28283274

#SPJ4

Download pdf
8 0
10 months ago
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