Awnser i reallyneed how is the temperature of a gas related to the kinetic energy of its particles? a) as the temperature extends, the kinetic energy of the particles decreases. b) as the temperature increases, the kinetic energy of the particles increases. c) as the temperature decreases, the kinetic energy of the particles increases. d) as the temperature intensifies, the kinetic energy of the particles decreases.

Laboratory experiments, observational field studies, and model-building are all examples of different forms of scientific investigations.  in what way do laboratory experiments primarily differ from other forms of scientific investigations?   a.  a laboratory experiment is the only accepted form of investigation within the scientific community.  b.  studies about how things behave in nature or studies involving very large objects are best answered through laboratory experiments.  c.  laboratory experiments involve the identification and control of variables.  d.  data can only be generated through laboratory experiments, not other forms of investigation.

Acar traveling at 22 m/s starts to decelerate steadily. it comes to a complete stop in 15 seconds. what is it’s acceleration?

Which of the following is the main energy source for the sun? a. fission of hydrogen b. fusion of hydrogen c. fusion of helium d. fission of iron