Science can answer which of the following questions? is there an afterlife? how large is the milky way? does butter tastes better than margarine? who will win the next nobel peace prize in science?

Ricardo notices that when he plays soccer in the rain, his ball does not seem to go as far after a kick. what is the best scientific question that ricardo could ask about this observation? is soccer better played in the rain or sun? how does rain affect the distance a soccer ball can travel? how does rain affect the speed of a soccer ball? is soccer affected by the rain?

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material