A biotech company had discovered in animal experiments that drug A might be helpful in treating insomnia (inability to sleep). After it found no apparent drug side effects in humans, the company tested the effects of the drug in 48 individuals. The best stated hypothesis for the drug trial is

The shift of a vehicle's weight around its center of gravity is known as

Can you identify which of the following groups of organisms are, or are not, populations? a. the american bison (bison bison) and grey wolves (canis lupus) currently living in yellowstone national parkb. all of the rainbow trout (oncorhynchus mykiss that) that have ever lived in lake eriec. the group of american bison (bison bison) currently living in yellowstone national parkd. a group of calliope hummingbirds (selasphorus calliope) and a group of rufous hummingbirds (selasphorus rufus) living in the same new hampshire woodse. the northern cardinals (cardinalis cardinalis) living on opposite shores of lake champlain f. all of the whales currently living in the atlantic ocean off cape cod, massachusetts

Awave has a wavelength of 15 mm and a frequency of 6 hertz. what is its speed?