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3 years ago

What is fresh water used for? In your daily life, how do you use water?

Chemistry

1 answer:

Montano1993 [528]3 years ago

7 0

You hydrated yourself, take shower, basically all living organisms need water to function and live

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What are the number of protons, neutrons, and electrons in 19 F<br><br> 9?

almond37 [142]

Answer:

This isotope of fluorine has 9 protons, 9 electrons and 10 neutrons.

Explanation:

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3 years ago

Ability to conduct electricity

Alex17521 [72]

Metals have the ability to conduct electricity.

Metals are lustrous, malleable, ductile and are good conductor of heat and electricity.

They conduct electricity because the electrons in metal are delocalized electrons and are free moving electrons so when they gain energy (heat) they vibrate more quickly and can move around, this means that they can pass on the energy more quickly.

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3 years ago

P.S. This is a science question not a chemistry.

Vesnalui [34]

Answer:

B) When the tilt of the Earth causes the sun’s energy/light to be spread out over a larger area, temperatures are ______warmer______ causing _____Summer_______ to occur.

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2 years ago

A person's heartbeat is 89 beats per minute. If his/her heart beats 3.1e9 times in a lifetime, how long (in whole years) does th

andrezito [222]

I think the answer is 82.5

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3 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 = $563\times 10^3m$

High temperature = $76.5^0F$

Low temperature = $-6.3^0C$

annual precipitation =762 mm= $762\times 10^{-3}m$

Thus low temperature in units of Fahrenheit is not an S.I unit of measurement.

8 0

3 years ago

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