Identify the correct ACTION / REACTION pairs for the following scenario: A tennis ball bounces on a tennis racket.
Racket pushes up ball pushes upward too
Racket pushes on ball, ball pushes back on racket
Ball pushes on racket racket pushes back on ball
Ball and racket push simultaneously in the same direction

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?