The body can be invaded by (1) , which are harmful microorganisms that cause (2) diseases. The body then initiates a(n) (3) response, which may involve redness, swelling, and fever. (1) mutagens, bryophytes, pathogens, tracheophytes
(2) infectious, proactive, chronic, malignant
(3) inhibition, homeostasis, feedback, inflammatory

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chemical weathering

explanation:

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.