How would you describe the layers of the earth

How will the mass of a rusted iron nail compare with the mass of the same nail before it rusted?

A variable star is one whose brightness alternately increases and decreases. for one such star, the time between periods of maximum brightness is 5.7 days, the average brightness (or magnitude) of the star is 4.2, and its brightness varies by ±0.

If the molecules in a substance start to move quickly, what happens to their kinetic energy?

Which of these rocks are formed by volcanic activity? select the two correct answers. a. marble b. basalt c. limestone d. granite e. sandstone

Two electrodes connected to a 9.0 V battery are charged to ±45 nC. What is the capacitance of the electrodes?

What's is inductive reasoning?

The sun Why does mining often result in environment Pollution?

The men's world record for swimming 1500.0 m in a long course pool (as of 2007) is 14 min 34.56 s. At this rate, how many seconds would it take to swim 0.8500.850 miles (1 mi = 1609 m) ?

What is the acceleration of a 90 kg object which is acted upon by an unbalanced force of 435 N?

A batter swings at a baseball. The action force is the bat hitting the ball with a force of 5N. What is the reaction force?