What has to be different to allow refraction to occur?

a. the medium

b. the light

c. the wave

d. the speed

A dog has a mass of 12 kg. What is its weight? Round your answer to the nearest whole number. The dog weighs_ N.

Loamy soil is ideal for gardening because it contains Select one: a. mostly silt with very little clay or sand. b. mostly clay with very little silt or sand. c. mostly sand with very little clay or silt. d. roughly equal parts sand, clay, and silt.

Yuna car that is traveling at a constant speed. Yet, the car is accelerating. Explain how this can be true.

If the primary coil of a transformer has 200 turns and is supplied with 120 v ac power, how many turns must the secondary coil have to provide 12 v ac power?

If the mass of an average human adult is 75kg what is the mass in grams

You and your housemate have an argument over the cost of the electric bill. You want to turn off the outside porch light before going to bed each night.

Work is a product of A force and distance B force and heat energy C cause and heat energy D cause and effect

An exploration submarine should be able to descend 1200 m down in the ocean. If the ocean density is 1020 kg/m3, what is the maximum pressure on the submarine hull?

Why cooking pans don't have have metal handles?

Why will marchers at the end of a long parade following a band be out of step with marchers nearer the band