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Liquid plastic is frozen in a physical change that increases its volume. What can be known about the plastic after the
change?
Its mass will increase.
Its density will increase
Its mass will remain the same.
O Its density will remain the same.

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.