Describe what would happen if we removed all the plants from the food chain.

Carla uses a table tennis ball and a volleyball to represent two astronomical bodies based on their sizes.

During constructive interference two waves travel through the same medium and the effects of the first wave are ___ the effects of the second wave

A parallel-plate capacitor of capacitance 20 µF is fully charged by a battery of 12 V. The battery is then disconnected.

Identify the Following as physical properties or chemical properties. A. reacts with water B. is Red C. Is Shiny and slivery D. Melts easily E. boils at 100 C F. Is non flammable G. has low density. H. tarnishes in moist air

How much work is done using a 60 watt light bulb for 1 hour

The visible light spectrum ranges between A. radar waves and X-rays. B. ultraviolet rays and gamma rays. C. infrared rays and ultraviolet rays. D. television waves and infrared rays.

Sarah added sugar to her iced tea, but it is not dissolving very quickly. Which can Sarah do to make the sugar dissolve faster? Add more sugar. Heat the tea. Add more ice.

Positively-charged particles consisting of two protons and two neutrons emitted by radioactive materials. True or False

A package of aluminum foil is 59.3 yd long, 13 in. wide, and 0.00040 in. thick. If aluminum has a density of 2.70 g/cm3, what is the mass, in grams, of the foil?

A teacher pushed a 10-kg desk across a floor for a distance of 5 m she exerted a horizontal force of 20 N how much work is done