Pretty yah girl out : )

which of the following occurs as a light wave bends when it passes from one medium into another? \
a. refraction
b. constructive interference
c. reflection
d. destructive interference

Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?

Ahot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magnitude g/4. after time interval δt, a crew member releases a ballast sandbag from the basket attached to the balloon. how many seconds does it take the sandbag to reach the ground? (express your answer in terms of δt)

Explain the difference in reactivity of the elements based on their electron configurations.