Which of the following theoretical perspectives studies the way family members compete and cooperate for property and authority? a
Conflict Theory
b
Cultural Pluralism
c
Symbolic Interactionism
d
Functionalism

Answer(a)   the matererials that are in contact, the two materials and the nature of their surfaces/// (b)/// the force pushing the two surfaces together, pushing the surfaces together causes the more of the asperities to come together and increases the surface area in contact with each other

Mass and velocity are the 2 factors used to calculate kinetic energy. the equation for kinetic energy is (1/2)mv^2. hope this !

Iwas thinking the wavelength is one half its original value

The answer is c. winter. hope this ! : )