What can be found by counting the number of troughs per second in a wave diagram? A) amplitude B) direction C) frequency D) speed E) wavelength?

What is the dierence between a mechanical wave and an electromagnetic wave?

Janis volunteered to participate in a psychology experiment. When she arrives at the lab a lab assistant standing on the other side of a counter greets her. The lab assistant explains the informed consent procedure and asks her to sign the form.

Which of the following best describes a spiral galaxy? Less than one hundred stars arranged in spherical shape A few thousand planets arranged in an elliptical shape Several billion stars arranged in arms spiraling outwards Several billion planets

Which of the following statements are true? (Select all that apply.) All parts of a wheel rotating about a fixed axis must have the same angular speed. All parts of a wheel rotating about a fixed axis must have the same angular acceleration.

What did Thanos say? I am ... A. Hungry B. Sad C. Happy D. Purple

Why can't cells get any glucose directly from the small intestine?

Oxygen makes up the largest part of living cells at 65%. What is the percentage of the second-most abundant element in living cells?

Shivering to warm up illustrates which characteristic of life? A. adaptation to environment B. homeostasis C. getting energy D. growth

Dante pours hot tea into a mug that is cool to the touch. Which best explains what will happen now?

What type of resource can be regenerated or replenished by biochemicl cycles