The number of waves that pass a particular point in a unit of time is called the of the waves. (a) rarefaction (b) compression (c) amplitude (d) frequency

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

Using a pedometer, you walk 3000 steps in 20 minutes, so your speed is 150 steps/min. each of your steps is 0.7 m long. what is your speed? 150 steps/min=/s=/h

Which missing item would complete this alpha decay reaction ? > 228/88ra + 4/2he a.224/96 rn b. 232/90 th c. 230/92 u d. 235/92 u