Will mark a scientist observes the ocean tides moving large amounts of sand from one part of the beach to another. this is evidence for which type of natural process? a. physical weathering b. chemical weathering c. erosion d. deposition

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1. (1.2kw)x(15/60hours) = .3kwh --> a

2. (5kw)x(90/60hours)x(8cents/kwh) = $0.60 --> d

3. microwave --> 1200 watts = (1.2kw)x(6/60hours) = .12kwh

coffee-maker --> 900 watts = (.9kw)x(10/60hours) = .15kwh

therefore, it requires more energy for the coffee-maker to do the same amount of work.

so the answer is a.

b. to discover aspects of the natural world.

hopefully i .