When paraffin oil and water are poured into a container they separate and the paraffin oil forms a layer on top
of the water. When water and mercury are mixed the water forms a layer on top of the mercury.
a) What can you conclude from these two observations?
norn nil were mixed together?

a longitudinal wave moves energy that is to the direction of the wave’s movement. - true

grav force prop 1/r squared 2r all squared is 4rsquared 1/4rsquared quartered

i had this question and the answer was 3.15 miles.

martina travels from school to her mom's office. from there, she walks to school. after school, she walks to the library and then to a friends house before finally ending back at home. find martina's total distance traveled.

a) 0 miles  

b) 0.4 miles  

c) 1 mile  

d) 3.15 miles