Simple. Air has mass. And if air has mass it also has weight. You can feel air when the wind blows. Or do an experiment. Weigh an empty container. Then pump it to a vacuum. Weigh it again. The difference is the weight of the air inside.
I think you might've forgotten something. There is no labels, pictures, or any options. Add some more stuff and I'd be able to help out.
Answer:
A) Electrical energy flowing into the fan from the wall outlet
Explanation:
Answer:
Independent Variables: Temperature in C
Dependent Variables: Solubility of O2 in g/100 g water, Solubility of CO2 in g/100 g water
Explanation:
I’ve done this before and I got it right.