A solid will float in a liquid if it is less dense that then liquid, and sink if it is more/dense than the liquid. If the density of the seawater is 1.025g/mL, which type of plastics would definitely float in seawater?

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent

The process of replication is the same for all living things because

Which of these reproductive method is the only on available to mosses and fernsspores