What theme is represented by frodo?
a. even a small individual can make a big difference in the world.
b. there is no such thing as free will.
c. weak individuals must rely on the strong to survive.
d. responsibility is better left to those who want it.?

Why don't you see your reflection in water with waves or repples

An astronaut in space cannot use a scale or balance to weigh objects because there is no gravity. but she does have devices to measure distance and time accurately. she knows her own mass is 77.4 kg , but she is unsure of the mass of a large gas canister in the airless rocket. when this canister is approaching her at 3.50 m/s , she pushes against it, which slows it down to 1.30 m/s (but does not reverse it) and gives her a speed of 2.60 m/s . what is the mass of the canister?

Why should the wavelength scale of spectroscope be calibrated