9. Which arrow or arrows indicate a process that cycles carbon from living or nonliving organisms? Describe the process or processes
you selected. Arrow |
10. Which arrow or arrows represent reactions that demonstrate a
conservation of mass and energy? Explain your answer.

Ben(55 kg) is standing on very slippery ice when junior(25kg) bumps into him. junior was moving at a speed of 8m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision .

Select for each of the following statements whether it is correct or incorrect. (a) in an isothermal expansion of an ideal gas. (b) the temperature remains constant. (b) the pressure remains constant. (c) there is work done by the gas. (d) there is heat added to the gas. (e) the change in internal energy equals zero.

Why is the use of carbon-14 limited