In a classroom, why can we hear the sound waves produced by the teacher talking?

What discovery gave scientists the first evidence for the theory of plate ttectonics

the goodness of fit is when caregivers recognize there childs temperment and work with it in order to raise a well and adjusted child

Name two things in your life that require work

Recall the observed behavior of the compass during the mapping of the magnetic field. Which of the following descriptions best matches the behavior you observed? Two correct answers required for full credit. A.

Suppose you increase your walking speed from 7 m/s to 11 m/s in a period of 1 s. What is your acceleration?

What is the total number of atoms in the following formula? CaBr2 04

The Amazon River is in Europe. True or False

A microwave oven operating at 120 volts is used to heat a sandwich if the oven draws 12.5 amperes of current for 45 seconds what is the power dissipated by the oven?

Which of the transformers are step-up transformers? Which of the transformers are step-down transformers?

1 A plane moving at 30m/s drops a load 200m down to the ground. How long did it take to hit the ground.