Beryl finds a rock and wants to know what kind it is. Which piece of information about the rock will best help her to identify it? (6.E.2.3)

The size of the rock

The weight of the rock

The temperature where the rock was found

The minerals the rock contains

If 15 drops of ethanol from a medical dropper weight 0.60g, how many drops does it takes from a dropper to dispense 1.0ml of ethanol? the density of ethanol is 0.80g/ml

The footprints of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossils

How does a sample of helium at 15 degree celsius compare to a sample of helium at 215 k? a) the helium at 15 degrees celsius has a higher average kinetic energy that the sample at 215 k. b) the helium at 15 degrees celsius has lower nuclear energy that the sample at 215 k. c) the helium at 15 degrees celsius has slower- moving atoms that the sample at 215 k. d) the helium at 15 degrees celsius has smaller atoms than the sample at 215 k.