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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A valid lewis structure of __________ cannot be drawn without violating the octet rule. a valid lewis structure of __________ ca

Oxana [17]

A valid Lewis structure of IF3 cannot be drawn without violating the octet rule.

Answer: IF3 (Iodine Trifluoride)

This is because, I (Iodine) and F (Fluorine) both have odd number of valence electrons (7) which also means that there are too many valence electrons in the valence shell.

5 0

3 years ago

if a girl holds a ball at waist level and then lifts the ball above her head and holds it there which of the following is she do

Zigmanuir [339]

Answer:

She is making kinetic energy when she lifts the ball and when the ball is above her head the ball gains potential energy.

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3 years ago

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Which one is a true statement about endothermic reactions?

kicyunya [14]

In a endothermic reaction energy from an outside source is continuously being added.

6 0

3 years ago