Explain the type of molecular attraction at work on Titan (moon)

If x ≤ 25, which could be the perimeter of this rectangle? a) 100 in b) 155 in c) 225 in d) 750 in e) 1500 in

Monk's mound in cahokia is an enormous earthwork very near to the mississippi river. what do archaeologists believe it was used for?

According to the article about the zhou dynasty, this dynasty was broken into different eras because its capital changed from place to place. how many different eras were there in the zhou dynasty? a. two b. six c. ten d. fourteen