What is the streak of a mineral used for?

A.

weighing the mineral

B.

measuring the hardness of the mineral

C.

identifying the mineral

D.

finding the volume of the mineral

Which planet experiences the widest range of temperatures?

A billiard ball travels 23 cm in the positive direction, hits the cushion and rebounds in the negative direction, and Finally comes to rest 8.0 cm behind its orbital position. What's the displacement of the ball?

Q: imagine you're in a room filling with water. there are no windows and no doors. how do you get out?

A 15.0 kg penguin waddling east at a velocity of 7.0 m/s collides with a stationary 10.0 kg penguin. After the collision the 15.0 kg penguin is traveling at a velocity of 4.2 m/s 20.0 degrees S of E. a. What is the velocity of the 10.

If you have 10,000 red blood cells, how many red blood cells and white blood cells do you have altogether

What is concave mirror

Two boxes are suspended from a rope over a pulley. each box has weight 50 n. what is the tension in the rope

What happens when you put a galvanized zinc nail in copper solution for an hour? Does is rust or turn different color? What is the outcome? What happens after an hour in vinegar?

Psuedopod in a sentence

Study the scenario. As a spacecraft moves beyond Pluto, its thrusters are turned on for a short time to boost its speed to approximately 32,500 mi/h. The thrusters are then turned off.