Answer:
use own words!!!
Explanation: Velocity increases as more water is added to rivers via tributary rivers. This means that less of the water is in contact with the bed of the river and the mouth so there is less energy used to overcome friction. Hence rivers flow progressively faster on their journey downstream.
Answer:
roots enable plants to spread over land areas or roots hold the plant in place in the ground
I think it's called a hypothesis
Answer:
cells
Explanation:
cells carry out functions for life
Answer:
They can be single or multicellular and they are bigger than prokaryotes. They have a distinct nucleus and membrane-bound organelles, so that option would be incorrect. I hope this helped.
Explanation: