Question 4 (1 point) Saved Isaac newton originally thought of light as small atom-like particles. Which of the
following helps disprove the idea that light is just made of particles?

How light can travel through air and water

How 2 beams of light can pass through each other

How light can knock electrons off of metal

Afigure skater is rotating at a rate of 200 revolutions per minute. what is the angular speed, in units of rad/s? 20.9 12000 200 3.33

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f

You are a sales representative for a company that makes a new alternate fuel for vehicles. you have prepared a presentation for the environmental engineers to sell your new product. what question do you expect the audience to ask regarding whether the new fuel will cause less damage to the environment? a. do we have to change any parts of the vehicle to use this alternate fuel? b. will the vehicles get better fuel mileage with the alternate fuel? c. how much greenhouse gas does your fuel produce compared with current fuel sources? d. is the alternate fuel more expensive than fossil fuel?