This is a picture of a large sheet of ice that moves very slowly across the land. This sheet of ice covers the land and is only found where temperatures are extremely cold. What is this large sheet of ice called?
-0)
A)
glacier
B)
lake
pond
D)
sea

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)