Is The thread around a screw is a lever.

The spraying of pesticides can be carefully planned, but accidents, weather conditions that could not be foreseen, and pilot errors often cause much larger deposits of spray than they had anticipated.

Which of the following forms of electromagnetic waves is used mostly in communication? a) x-rays b) infrared c) radio waves d) gamma rays

Is it true or false that air pollution affects everyone equally

For which of the following is the velocity constant (speed/direction does not change) ? Question 5 options: A. cat escaping a dog by running in a straight line and then up a tree at a constant speed of 30 mph B.

Fter carrying out some tests at a local stream, you discover that the pH in the stream is extremely low. Based on this, you should tell your friends to A) go home and play Xbox. B) build a raft to raft down the stream.

What is the tense In sailed

Acceleration is a vector quantity. O O A. True B. False

What will happen to the brightness of a string of bulbs hooked up in series when you increase the number of bulbs in the string? A. Each light in the string will get brighter. B. Each light in the string will get dimmer. C.

What are the two factors that influence the composition of beach material

Which of the following indicates that a ChemicL change has taken place? (A) a change from liquid to a gas (B) an increase in the volume of a substance (C) a change in the color of a substance (D) a change from a solid to a liquid A precipitate is a