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2 years ago

Which factor contributes to both chemical and mechanical weathering?

Chemistry

2 answers:

kupik [55]2 years ago

6 0

Answer:

Water!

Explanation:

I’m taking the test

kenny6666 [7]2 years ago

3 0

Answer:

it is water

Explanation:

got it right on the quiz

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During science, Jim's teacher gives this simple rule to use as a first attempt to increase solubility of the solute and the rate

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B. Agitate the solute in the solvent.

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2 years ago

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Which of the following groups gets energy directly from an insect that it eats?

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C. Primary consumers

Explanation:

Producers are like grass, herbivore is like a cricket and primary consumers is like a bird

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3 years ago

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Consider an electron with charge âˆ’eâˆ’e and mass mmm orbiting in a circle around a hydrogen nucleus (a single proton) with cha

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Answer:

Explanation:

The net force on electron is electrostatic force between electron and proton in the nucleus .

Fc = $\frac{1}{4\pi\epsilon} \times \frac{e\times e}{r^2}$

This provides the centripetal force for the circular path of electron around the nucleus .

Centripetal force required = $\frac{m\times v^2}{r}$

$\frac{m\times v^2}{r}=\frac{1}{4\pi\epsilon} \times \frac{e\times e}{r^2}$

$v^2=\frac{e^2}{4\pi \epsilon m r}$

$v=(\frac{e^2}{4\pi \epsilon m r})^{\frac{1}{2} }$

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2 years ago

Marvin records scientific data about Lake Superior. For which property has Marvin forgotten to use an SI unit of measurement?

Illusion [34]

Answer: low temperature

Explanation:-

S.I or M.K.S is a system for defining physical units as meter, kilogram, second, ampere, kelvin or celcius, candela, and mole together with a set of prefixes to indicate multiplication or division by a power of ten for measuring length, mass, time , current, temperature and amount of substance respectively.

Given :

lake length = 563 kilometers = $563\times 10^3m$