Answer:
hailstones --> Hail is a type of precipitation, or water in the atmosphere. Hail is formed when drops of water freeze together in the cold upper regions of thunderstorm clouds. These chunks of ice are called hailstones. Most hailstones measure between 5 millimeters and 15 centimeters in diameter, and can be round or jagged.
i am sorry i can not answer the oxygen question because it is not all there.
They would not be able to fit into a semipermeable membrane it will just pass threw
Heterotrophic bacteria can't create their own food,but it can obtain energy from carbohydrates and other organic materials
