In order for scientist to know which fossils are older or younger, they must look at the layers of the earth. though the layers can be disrupted they know that the older layers are on the bottom and the younger are on the top. what is the name of the law that they use?

What is the best-known carbohydrate?

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?

Which of the following shows the results that you would get if you tested beef using the four tests in the gizmo