Answer:
frequency✧C
wavelength✧A
wave speed✧D
wave period✧E
amplitude✧B
i'm not sure if they are all correct so sorry ✧
C. Movement of the human body
Skeletal muscles gives us the ability to move
Explanation:
In a freshwater aquatic ecosystem like a pond, the organisms in the food chain include algae, small animals, insects and their larvae, small fish, big fish and a fish-eating bird or animal
pls mark brainliest
the internal structures provide shapes and support to a variety of living organisms both unicellular and multicellular
