What does the amount of refraction of a wave depend on? A change in wave speed
B location of the normal line
C. size of the object
D size of the opening between objects

The time period of the growth of factories and work done by machines was known as a.) rise of mechanization b.) growth of industry c.) enclosure act d.) industrial revolution

Acar traveling at 65 mile per hour has kinetic energy because of its position on the road. true or false

Which is the most accurate description of the executive office of the president? groups of advisers who the chief of staff groups of advisers who the president groups of advisers who oversee national security groups of advisers who oversee the economy