The ocean hold 97 percent of earths water.
Answer:
Explanation:
Penguins have webbed feet to help them swim, waterproof feathers and very good vision underwater , they also have thick skin and blubber to help them keep nice and warm so they can have fun and fish for food with out worrying about being very cold. Hope that helped UwU
I think it is D but i'm not sure
hope I helped :)
Deutirium is the name of H-2 isotope