A geologist is comparing the properties of different minerals. He rubs each one on a piece of white tile and observes the color of he power that is left behind. What type of test did he perform?

color

hardness

luster

streak

Which planet search technique is currently best suited to finding earth-like planets?

when the particles of the medium move back and forth along the direction of the wave motion, the wave is a

Cómo es útil el ejercicio Squat Side Kick para practicar deportes? Dame dos ejemplos

Explain why the sound produced by every vibrating body cannot be heard by us?

If you go 4.0 meters in 2 seconds what is your speed?

4. A car of mass 2000 kg is traveling at 45 m/s when the driver spots a policeman anead. i ne univer apprivo the brakes lightly for 3.0 seconds until he slows down below the speed limit. If the average force applied by the brakes was 1.

When does a scientist create the conclusion?

When using a simple machine, the force you must overcome. A simple machine usually multiplies the effort force to exceed the this. Example: Lucy lifts a sack of potatoes using a pulley. The weight of the sack of potatoes is this.

How is ecology diffrent from earth science

Which theory was first proposed by Albert Einstein? A. the theory of special relativity B. the theory of universal gravitation C. the theory of inertia D. the theory of radioactivity ... the answer is A i just found out