1. A child sits on a tire swing that is suspended by a single rope from a tree branch. What is the tension in the rope if the mass of the child and tire is 36 kg?
O a) 350 N
Ob) 36 N
Oc) 3.7 N
Od) 46 N
Oe) 1300 N
2. What is the mass of a person who weighs 651 Nat Earth's surface?
O a) 43.4 kg
O b) 9.80 kg
O c) 66.4 kg
O d) 651 kg
O e) 6380 kg

A. to determine if humans can explore mars safely

The answer is water molecules are split.cellular respiration and photosynthesis are complement  reactions to each other. these are reverse reactions. in cellular respiration glucose and oxygen yield water and carbon dioxide. so, when respiration begins,  glucose molecules are split. in the opposite reaction - in photosynthesis, carbon dioxide and water yield glucose and oxygen. thus,  when respiration begins, water molecules are split.