[ Science not Biology. Why doesn't it simply have a 'science' option? ] Select the correct answer.
In 2012, the United States produced 2,068 million metric tons of CO2 from electricity alone. Let x be the amount of CO2 produced by the United States that year from transportation. Based on the chart, what equation can be used to solve for x? Units are in million metric tons.

A. 2,068 * 32 = x/28
B. x/32 = 2,068/28
C. 2,068/32 = x/28
D. 32/28 = x/2,068

A?

Explanation:

i don't really know im just guessing... also i agree with them needing a science option

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also i have two questions of my own... they are listed above this comment in this answer, they are questions so you have no reason to flag and delete this or anything in those questions... and if you do ill be very mad and you don't wont me on your bad side believe me... im saying i have very bad anger issues that CAN become violent but i don't really want to get that way so please... no flagging and deleting anything unless its an out of site link.

questions i had:

i will have another one but i need the five points to make the question so ill tell yall in a comment in this answer

its 42

i say its d?

relative humidity, temperature and dew point -- are bound together in the mathematical relationship below. relative humidity changes when temperatures change. because warm air can hold more water vapor than cool air, relative humidity falls when the temperature rises if no moisture is added to the air. so i would say a