What is the dependent variable for does saying vocabulary words out loud 10 times help you remember them.

The pelican's beak is adapted for in .

Hydroelectric uses moving water to do work such as grinding grains in a mill true or false

Earths energy sources include both renewable and nonrenewable resources. name at least three sources of energy that could be used in your house. then describe the ideal energy source for generating most of your homes electricity, and explain why you chose that source. can someone give me some ideas, i’m kinda confused.