You have 0.00891 g of platinum. what is this in micrograms?

How heavy is thanos? a) 3000 lbs b) all of it c) the price of tea in china d) heavy enough

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d

About 3% of the water on earth is freshest. only about 40% of that freshwater is available for human use. why is so much freshwater unavailable for human use?