The diagram shows a boy observing a fish located at position b below the surface of the water. the boy sees the fish at position a.

the apparent position of the fish is different from the actual position of the fish. what has happened to the light passing through the water to cause this difference?

a)
compression

b)
reflection

c)
absorption

d)
refraction

Which surface feature of the moon is characterized by mountainous areas? terrae craters maria regolith

What are the starting materials for nuclear fission? two small nuclei two large nuclei a neutron and a large nucleus a neutron and a small nucleus

An important dimensionless parameter concerned with very high-speed flow is the mach number, defined as v/c, where v is the speed of the object such as an airplane or projectile, and c is the speed of sound in the fluid surrounding the object. for a projectile traveling at 1170 mph through air at 50 ˚f and standard atmospheric pressure, what is the value of the mach number?