mirage is due
a. unequal heating of different parts of the atmosphere
b. magnetic disturbances in the atmosphere
c. depletion of ozone layer in the atmosphere
d. equal heating of different parts of the atmosphere

Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen

Astudent creates a model of a closed ecosystem by filling a glass tank half full with water, then adding 10 snails and two small aquatic plants. the next day, all the snails are dead. what is the most likely cause of their death?

Which sound characteristic is not affected by the relative motion of an object