In which sphere would lightning be found?
a.
biosphere
b.
hydrosphere
c.
magnetosphere
d.
atmosphere

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In what ways are some local executive branches structured in a similar manner to state executive branches, and in what ways are some structured differently?

Which number identifies the guyot? a. 1 b. 2 c. 3 d. 4 e. 5 f. 6

What is the rule relating the ratio of marginal utility to prices of two goods at the optimal choice? explain why, if this rule does not hold, the choice cannot be utility-maximizing.