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4 years ago

What factor might be contributing to climate change

1 answer:

6 0

Geological records stretching back millions of years indicate a number of large variations in Earth’s past climate. These have been caused by many natural factors, including changes in the sun, volcanoes, Earth’s orbit and CO2 levels.

However, comprehensive assessment by scientists shows that it is extremely likely that human activity has been the dominant cause of warming since the mid-20th Century.

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Which units are used to measure both velocity and speed? Select three options.

xz_007 [3.2K]

M/s, km/h, and mph are all used to measure these quantities

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3 years ago

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If your front lawn is 16.016.0 feet wide and 20.020.0 feet long, and each square foot of lawn accumulates 13501350 new snowflake

asambeis [7]

Answer:

The mass of snow accumulated in the lawn in 1 hour equals 57.024 kilograms

Explanation:

Given

Width of lawn = 16 feet

Length of lawn = 20 feet

Thus total area of lawn equals $16\times 20=320sq.feet$ \

Now it is given that 1 square foot accumulates 1350 new snowflakes each minute thus number of snowflakes accumulated by 320 square feet in 1 minute equals

$320\times 1350=432000$

Now it is given that average mass of each snowflake is $2.20mg=2.20\times 10^{-3}g=2.20\times 10^{-6}kg$

Hence the mass accumulated per minute equals $432000\times 2.20\times 10^{-6}=0.9504kg$

Now since there are 60 minutes in 1 hour thus the mass accumulated in 1 hour equals $0.9504kg\times 60=57.024kg$

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3 years ago

A type of electromagnetic wave that does not need a medium to travel.

BaLLatris [955]

Answer: The answer is A. Light hope it helps

Explanation:

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3 years ago

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A(n) ________ is a low layer of dark gray clouds that produces precipitation.

enot [183]

Nimbostratus clouds cause precipitation

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3 years ago

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When red light and green light shine on the same place on a piece of white paper, the spot appears t obe?

katen-ka-za [31]

When red light and green lights shine on the same place on a piece of white paper, the spot appears to be Yellow in color. Complementary colors are always located directly across from each other on the graphic. For example cyan is located across from red, magenta across from green, and yellow across from blue. When primary color mix the produce secondary colors , for example a red light and a green light will combine to form a yellow color. The production of various colors of light by the mixing of the three primary colors of light is known as color addition.

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4 years ago

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