Answer:
...a force acts upon it.
Explanation:
"An object in motion tends to stay in motion unless a force acts upon it."
This same rule implies to running water. Water typically runs from a higher place to a lower place with the usage of gravity (except for certain rare cases). Until there is something blocking (for example, a dam, or a let down in the steepness of the drop), the water will continue to move forward.
~
Energy is lost at each trophic level.
Answer:
1 g/mL. Thus, 20 mL of pure water weighs 20 g.
Explanation:
All of them are true to exceptD
