Answer:
Why does the Moon have so many craters compared to the Earth? Unlike the Earth, the Moon has no atmosphere to protect itself from impacting bodies. It also has very little geologic activity (like volcanoes) or weathering (from wind or rain) so craters remain intact from billions of years.
Answer:
28,800m/p second
Explanation:
Calculate the distance per second so, 400m/50 s= 8m/p second now knowing the speed/hour and knowing an hour has 3,600 seconds,multiply it by 8 then you will get 28,800m/p second, or 28.8km/h
Answer:
W = 7.53 inches
H = 30.14 inches
Explanation:
Printing area is:
Solving for :
The total area of the paper is:
Replacing :
If we derivate and equal zero to find the minimum:
So,
The final dimensions of the paper are:
W = 3.53 + 4=7.53-inch
H = 14.14 + 16= 30.14-inch
Reflection. It occurs when a wave bounces from the surface of an obstacle
Fossil Fuels is the largest source for energy
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