Answer:
Explanation:
go around your house and tap random objects. For example, a sink. What noise did it make? was it loud or quiet? was it soft or hard? I hope this helps
I think the correct answer would be D. The tap water in the experiment is one the three test conditions of the independent variable, the type of water. The independent variable in a experiment is the one being manipulated or the one being changed. In this case, it is the type of water.
A. <span>Standing is health-enhancing because it uses energy.
Because standing can burn a lot of calories.</span>
J.J. Thompson is the scientist who recieved credit for discovering them.
