Which model of a chemical reaction illustrates the law of conservation of mass?
A) 8 + 8
B) 88
+
c) 8-88->HAY
D) 88-88

What effect might melting sea ice have for people who live in coastal areas?

2pos suppose an object in free fall is dropped from a building. its starting velocity is 0 m/s. ignoring the effects of air resistance, what is the speed (in m/s) of the object after falling 3 seconds? give your answer as a positive decimal without units. answer here

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?