Answer:
True. This is true for photosynthesis and respiration.
This statement is true. Early land animals indeed had gills as well as lungs. It is generally known that amphibians breathe through their skin, like how the lungs needed the skin for its respiratory. Fish have gills for breathing while mammals do have their nasal cavity and lungs for their gas exchange.

As we know,

where,
- m = mass of the object = 0.15 kg
- g = acceleration due to gravity = 9.8 m/s²
- h = height attained by the object = 4 m
let's find the potential energy of that Apple :
The hard drive of a computer.
Answer:
skin it protects from germs