2. Jessica, at a constant slow speed, moved a 1 kg book from a 2 m high shelf to the floor.
How much work did she do on the book?

state the principle of separating two immiscible liquids by separating funnel. describe an activity with diagram to separate a mixture of water and kerosene oil. answer: immiscible layers separate out in layers depending on their densities in separating funne

space exploration has led to the development and technological improvement of many everyday items. (if this answer is wrong i will find the right answer) : )

warm front forms when a moist, warm air mass slides up and over a cold air mass. as the warm air mass rises, it condenses into a broad area of clouds. a warm front brings gentle rain or light snow, followed by warmer, milder weather.

hope i !