PLEASE ANSWER

Using the data in the table, describe how a light wave changes as it travels from the air into water.

A. It speeds up because water is more dense than air.
B. It speeds up because water is less dense than air.
C. It slows down because water is more dense than air.
D. It slows down because water is less dense than air.

How many neutrons does an element have if its atomic number is 50 and its mass number is 166

Which item is most likely part of the safety contract

Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.