Light incident on a lake surface is partly reflected and partly refracted. how is the reflected ray different from the incident ray

Experiment scenario 2: a biology student wants to conduct a study of how the amount of food affects the weight gain for mice. i have set up four cages with a mouse in each cage. fill in the boxes that would allow the biology student to complete the study correctly

Name three different units of energy used to measure heat and describe what type of situations each is usually used.

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e