Aline on a speed-time graph with a steep slope indicates a greater speed? true or false

Aform of energy that is reflected or emitted from objects in the form of electrical and magnetic waves that can travel through space. there are many forms of  electromagnetic  energy including gamma rays, x rays, ultraviolet radiation, visible light, infrared radiation, microwaves and radio waves.

Answerigneous bedrock of the oceanic crust;

Planck decided to assume that atoms could only vibrate at certain frequencies that were whole numbers eg 2f, 3f and so on. others used to think that atoms vibrate continuously

Amicroscope, because these cells are so small that you would not be able to see them, or what they attack without it.