B)H+ and e- i hope this helps you<span />
The control group is the independent variable and the experimental group is the dependent due to change during the experiment. The experimental group will usually rely on another variable in the experiment for change.
Answer:
Its due to moment of force. Explanation: Possibility of breaking the branch increases when a person goes to the tip of the branch due to moment of force. Due to moment of force, branch tend to bend downward when we go at the tip of branch.
Explanation: Hope that helps broski
Answer:
An old clock that has a swinging pendulum
Explanation:
Because the air in their wings helps them fly
