I think it would be Microorganisms
I'm not sure but hope this helps
Answer:
Peristalsis moves food through the digestive system with alternating waves of muscle contraction and relaxation. Digestion includes both mechanical and chemical processes. Mechanical digestion is a purely physical process that does not change the chemical nature of the food.
The answer is the anther because an ovule and an ovary are female reproduction parts and a pollen grain does not produce sperm nor is it hard.
Answer: Please refer to:
volume
Litre (l), also spelled liter, unit of volume in the metric system, equal to one cubic decimetre (0.001 cubic metre). From 1901 to 1964 the litre was defined as the volume of one kilogram of pure water at 4 °C (39.2 °F) and standard atmospheric pressure; in 1964 the original, present value was reinstated.
Explanation:
I don't know if I answered the question correctly. Not sure but hope it helps.
