4 2 points
Which of the following is a vector quantity?
O Velocity
O
Time
Speed
оо
Distance

Road users moving into your lane, brake lights, and abrupt changes in road surface are a. rare at night b. indicators of potential hazards c. not worth worrying about before you reach them d. no problem for experienced drivers

What is the name for the remnant of an asymptotic giant that has lost its shells? black dwarf white dwarf yellow giant black hole

What component of earth’s atmosphere exists entirely as a result of photosynthesis?