A rock containing valuable minerals that can be mined is called

A. An inorganic compound

B. An igneous rock

C. An ore

D. An organic compound

Newton's 2nd law of motion is that unbalanced forces cause acceleration. true or false.

Which of the following is a fundamental quantity? A) speed B) density C) length D) impulse E) angle

Differences between landslides and earthquakes

When fossil fuels, such as gasoline, are burned, they create smoke. Smoke is best described as a heterogeneous mixture of solid particles from the burning fuel dispersed in a gas - usually air.

Which of the metals is the best conductor of heat? How do you know?

Arrange the steps of energy production in the correct order. Tiles consumption of food cellular respiration in mitochondria breakdown of starch into glucose absorption of glucose molecules creation of ATP

Hundreds of millions of years ago, all the continents on Earth were connected to form a giant "supercontinent" called Pangaea. How might ocean currents have differed during the time of Pangaea compared to today? Explain your answer.

You have a ruler that is marked to the nearest half centimeter. Which of these measurements is written with the correct amount of precision? A) 2.0cm B) 3.14cm C) 5 cm D) 100cm

What kind of information can you gather from a stars spectrum

Gamma rays are waves of energy that have no charge. a. True b. False