True or false? Nitrogen in the atmosphere is responsible for clouds and precipitation? If not what is?
Identify three nonliving parts of an ecosystem. then explain how the nonliving parts impact the different kinds of organisms that live in the ecosystem and the population size of these organidms
A little girl is going on the merry-go-round for the first time, and wants her 50kg mother to stand near to her on the ride 2.1m from the merry-go-rounds center. If her mother's speed is 3.6m/s when the ride is in motion, what is her angular momentum around the center of the merry-go-round?
in their experiment, Rutherford and Marsden fired positively charged alpha particles at a very thin sheet of gold. over a period of several months, the scientists made over 100,000 measurements. these measurements showed that a very small number of alpha particles were deflected backwards from the gold foil. use a nuclear model to explain this experimental result.
the pitch that the average human can hear has a frequency of 20.0. If sound with this frequency travels through air with the speed of 331 m/s, what is its wavelength.
Chemical bonding is the combining of atoms to form ______________? A. atoms B. energy levels C. molecules D. electrons
