Answer:
Mirage is a phenomenon which can be seen when the surface air gets heated up and it becomes lighter. Lighter air moves up in the atmoshphere.
Explanation:
When the lighter air from cooler areas to warmer areas are refracted and they bent upwards.and it dispers
,
Some ice has more salt then the other causing it to float up
C. Specific gravity is the answer
At=v-u, where u=0
t= v/a=42/6 = 7
Answer: 7 seconds