Small birds called Egyptian plovers sometimes get their food by picking it off the hides of crocodiles. For this reason, they are also known as crocodile birds. Which kind of relationship do crocodiles and Egyptian plovers have

Acave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. the lift is performed in three stages, each requiring a vertical distance of 10.0 m: (a) the initially stationary spelunker is accelerated to a speed of 4.90 m/s; (b) he is then lifted at the constant speed of 4.90 m/s; (c) finally he is decelerated to zero speed. how much work is done on the 68.0 kg rescue by the force lifting him during each stage?

From the perspective of an employee that effective channeling of work related information and concerns

What happens to the vapor pressure of a substance when its surface area is increased at constant temperature?