It can cause the water to create algae.
Coal, natural gas, and petroleum all qualify as correct answers.
The kinetic energy bc the energy is independent of the gravitational acceleration, and it depends only on the speed and mass. So the last answer
A hummingbird can flutter it's wings about 80 times per second.
4,800 divided by 60=80
A b c d etc. oh well
Are there any choices perhaps? Gracie