True or false
1. oxygen is absorbed into the bloodstream in the trachea?
2. the bronchial tubes branch off from the trachea like an upside-down letter y.

1) False. Oxygen is absorbed in the alveoli of the lungs

2) True. The bronchial tubes branch off into the lungs which then branch off into the smaller bronchi and even smaller bronchioles.

and after water is usually warmed by the sun the water temperature raises and then evaporates .

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds