Classify the following matter germanium, zinc, carbon, copper, flourine, mercury, sodium, silicon, hydrogen, arsenic, oxygen, lithium, antimony, asbestos, fur, polystyrene cups, brass, sea water, nitrogen, bronze, stainless steel, glass, dry wood, rubber, gold, iron, silver, aluminum foil, cotton wool​

Acatapult is tested by roman legionnaires. they tabulate the results in a papyrus and 2000 years later the archaeological team reads (distances translated into modern units): range = 0.4 km; angle of launch = π/5 rad; landing height = launch height. what is the initial velocity of launch of the boulders if air resistance is negligible?

Which statements describe the movement of ocean currents around the globe? check all that apply. strong winds force warm water to sink to the ocean floor. the coriolis effect causes warm and cold water to mix. cool dense water sinks to the ocean floor. warm water replaces cool surface water. wind blowing parallel to the shore causes upwelling of cool water.

Rohit is trying to tune an instrument