Triassic, Jurassic, and Cretaceous: these are also divisions of the Mesozoic Era

The volume of an unknown substance in a sealed glass jar is 50 milliliters. the volume of the jar is 200 milliliters. which state of matter could the substance be?

What prefix multiplier is appropriate for reporting a measurement of 5.57 ×10−5 m?

Polar bears give birth and hunt on sea ice. which of the following would polar bears survive during the melting of arctic ice? growing another layer of fur during summer migrate inland to search for different food sources staying put until the ice refreezes sticking to the usual diet of seals