Amass of sunken lead is resting against the bottom in a glass of water. you take this lead, put it in a small boat of negligible mass, and float the boat in the water. which of the following statements are true? (there may be more than one correct choice.)
a. the sunken lead displaces a volume of water equal to the lead's own volume.
b. the floating lead displaces a volume of water equal to the lead's own volume.
c. the sunken lead displaces a volume of water whose weight equals the lead's weight.
d. the floating lead displaces a volume of water whose weight equals the lead's weight.