Need help ASAP im being timed North Dakota has the highest residential energy consumption, per capita, of any state in the US. New York's consumption is 47th on the list. Given that New York has a larger population, which choice offers one possible explanation for this difference?
A) New York's large urban populations are denser, which makes heating costs lower per capita.
B) North Dakota has a mostly rural population, and this makes heating and cooling costs higher.
C) New York uses large amounts of energy gathered from wind, solar, and other renewable sources.
D) North Dakota's winters are harsher than New York's, which drives up heating costs per capita.

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.

answer: the correct option is d. enzyme

lactase and carbonic anhydrase are the examples of enzymes.

lactase is an enzyme, which is present in the small intestine of mammals. it in the digestion of the disaccharide, lactose ( milk sugar) by converting it into two monosachharide, which are glucose and galactose.

carbonic anhydrase is present in the red blood cells. this enzyme plays significant role in the transport of co₂. it in the conversion of co₂ and h₂o into carbonic acid, which is then dissociated into bicarbonate ions and hydrogen ions.