There are approximately 1 × 1022 molecules in a single medium-sized breath of air and approximately 1 × 1044 molecules in the atmosphere of the whole world. how many breaths of air are in the world's atmosphere? answer in units of breaths. 006 (part 2 of 2) 10.0 points if all the molecules from julius caesar's last dying breath are now thoroughly mixed in the atmosphere, how many of these on the average do we inhale with each single breath?

Which best describes the first law of thermodynamics as compared to the second law of thermodynamics? a. the first law describes how thermal energy is conserved but not the direction it moves. b. the first law describes the direction thermal energy moves but not how it is conserved. c. the first law describes how thermal energy can be created but not how it can be destroyed. d. the first law describes how thermal energy can be destroyed but not how it can be created.

Coal contains energy. a. light b. kinetic c. chemical d. mechanical

Suppose that three astronomical objects, 1, 2, and 3 are observed to lie on a line, and the distance from object 1 to object 3 is d. object 1 has four times the mass of object 3, and seven times the mass of object 2. find the distance between objects 1 and 2 for which the net force on object 2 is zero.