Answer:
Baking soda in vinegar
Explanation:
Cause soda is a base and vinegar an acid which will neutralise each other
Answer:
This is complex
Explanation:
I recommend asking teacher for help and please don't ever my answers
The answer is A.
b and c are opinionated and Star signs aren’t scientifically proven.
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.
