As sea levels fell during earth's geological past, inland seas and waterways vanished. in many cases, these left behind which type of rock formations?

c is the answer it think because sea levels fell during earth

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex

answer: 20 percent

the fish culture has become a developing commercial practice in developing countries which is already prominent in developed countries of the world. the major fish protein demand is being supplemented in developing countries is   fishing to meet the needs of the growing population. therefore, in some developing nations, the percentage of animal protein from fish in the diet can be as high as 20 percent.