A person is riding a bike down a street. They travel 35 meters in a time of 42 seconds. What is the person's average velocity? (Round your answer to the nearest tenth place.)

Aboy with an extra x chromosome probably has which of the following syndromes?

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

45 points how are people today being protected from tsunamis? earthquake data is analyzed to detemrine if a tsunami is likely, and if so, warnings are sent out. areas in tsunami risk zones are no longer heavily populated. radar is used to measure wave heights regularly. meteorologists study the winds to determine if wave heights will be large.