Which of the following best describes Earth's axis?
Help Resources
be
A. an imaginary line through Earth's center from
pole to pole
B. the average distance between Earth and the sun
C. the extra fourth of a day we have each year
D. The amount of time it takes Earth to revolve
around the sun
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Iwill give 30 points to whoever answers ! what is the formula for actual mechanical advantage and ideal mechanical advantage?

If element x has 99 protons how many electrons does it have

Agroup of monkeys is trying to cross the river in a rowboat. the maximum buoyant force on the rowboat is 2,000 n. the weight of the rowboat is 1,000 n. each monkey has a weight of 150 n. how many monkeys can safely cross in the rowboat at one time? explain your reasoning, including any calculations you used to find the answer.