Is the element germanium natural or man made?

Kepler's third law states that the planet's orbital period squared is equal to its mean solar distance cubed. Consequently, the solar distances of the planets can be calculated when their periods of revolution are known.

How could a sedimentary rock provide evidence that the rock cycle exists?/?

A 0.450 kg baseball comes off a bat and goes straight up. At a height of 10.0 m, the baseball has a speed of 24.5 m/s. Determine its mechanical energy at this height.

Which of the following represents a chemical change? rocks being smoothed by rapid water movement the pink color of a rose iron's attraction to a magnet decomposition of stone due to acid rain

What kind of relationship benefits both parties involved? mutualism commensalism parasitism predation

I'm Always in front of you. but you never see me. what am i?

An alternative to CFL bulbs and incandescent bulbs are light-emitting diode (LED) bulbs. A 60 W incandescent bulb can be replaced by a 12 W LED bulb. Both produce 800 lumens of light. Assuming the cost of electricity is $0.

Energy is the ability to A. do work. B. exert force. C. transfer heat. D. create or destroy matter.

what is the force of static friction on Earth between a 2000 kg car and the road if a coefficient of static friction is 0.4?

Why does nobody like me?