Ascientist finds a piece of rock in a crater. he analyzes the rock and realizes that the composition is mostly of iron and nickel. he claims that he found a meteor. what is most likely the scientist’s error?

If a planet rotates 360 degrees during a 24 hour time period, what does that tell us about the planet? a. the middle of the planet is in darkness b. the seasons on the planet vary every day. c. the planet runs on a 12-hour time clock. d. the temperature on the planet varies daily.

Which piece of equipment would me most useful for measuring the volume of some water? a. pan balance b. graduated cylinder c. tweezers d. flask quick

How many molecules are found in 1.32 mol of nacl?