Answer:
Earth has various layers: the covering, the mantle, the fluid outer core and the inner core.
The Earth's attractive field controls the course and speed at which Earth's internal and external centers turn, despite the fact that they move in inverse ways, new research proposes.
Answer:
types of environment: clean: clean environment is a clean world were u wanna peave u dont wanna leave in a dirt world mother earth should better deserve cleab environment and a clean world. dirty: mother earth doesnt have to deserce a dirty environment (world) cause people need a clean world they need to clean the dirty world to form a better world
Explanation:
yan po aki brainliest po slmat
They are transported either by blood or either by ducts