Whether the incidence shown in the following picture is rational? Express your opinion.

What is the evidence of evolution shown in the picture?

Why is e-waste harmful? Express your opinion about this.

Name the natural disaster shown in the picture:

Name the natural disaster shown in the picture:

Name the natural disaster shown in the picture:

Answer the following questions: Adjust the angles of the two tubes till you can hear the sound very clearly. Measure the angle of incidence theta1 and the angle of reflection theta2 . Give your opinion