Trên mặt nước cho 2 nguồn sóng kết hợp S1,S2 có phương trình u1=u2=acos

This is the substance(s) formed in a chemical reaction.

How will the system respond to a temperature increase?

Using gravity, an elephant can pull a mouse towards it from the ground. true or false explain why. will give brainliest if answered fast and the best explanation