Ured
what is the main use of freshwater worldwide?
o
a. industrial uses, such as manufacturing
o
o
b. agricultural uses, such as watering crops
c. residential uses, such as bathing and cooking
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d. recreational uses, such as boating and swimmitig

Explain how the energy of rubber ball is tranforned as it roll down a ramp. give evidence that the energy of the og the ball remains the same at all points on the ramp

Explain why electric current cannot exist if a current doesn't have a voltage source.

The first-order reaction a→2b+c has rate constant 0.538 s−1. if the initial concentration of a is 0.867 mol l−1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.