20m/s, honestly I have know idea what the asnwer is but if i had to guess, this would be my answer.
Answer:
The surface water features and storm water runoff within watershed ultimately drain to other bodies of water.
Explanation:
Answer:
a block of light-coloured wood
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Answer:
Convert all the times to either hours or seconds
Explanation:
One time unit is in hours, and the other is in seconds. In order to do the math, the units need to be the same. So you either need to convert hours to seconds, or seconds to hours.
Answer:
Sound and light are similar in that both are forms of energy that travel in waves. They both have properties of wavelength, freqency and amplitude. Here are some differences: Sound can only travel through a medium (substance) while light can travel through empty space.
