What is the main cause of ozone depletion?

What is the main cause of ozone depletion? Ozone depletion occurs when chlorofluorocarbons (CFCs) and halons—gases formerly found in aerosol spray cans and refrigerants—are released into the atmosphere (see details below). CFCs and halons cause chemical reactions that break down ozone molecules, reducing ozone’s ultraviolet radiation-absorbing capacity. Is inhaling ozone bad? Whether in its pure […]

Is 1500 watts a lot of electricity?

Is 1500 watts a lot of electricity? Most electric heaters use 1,500 watts, but some are slightly less or slightly more. Since 1,000 watts equals 1 kilowatt, that means your heater uses 1.5 kilowatts of power. However, your electric bill is measured in kilowatt hours, which is the amount of energy used while running a […]

How do you solve Vo?

How do you solve Vo? To find the voltage at Vo, start at either end and add or subtract the voltage drop across the resistor. If we start at the 10V end: Vo = 10 – 3.58 = 6.42 V. If we start at the -2V end: Vo = -2 + 8.42 = 6.42 V. […]

What is a Sharks sixth sense called?

What is a Sharks sixth sense called? A Shark’s Sixth Sense around their head called ampullae of Lorenzini. These are jelly filled pores that go down to the nerve receptors at the base of the dermis. They are specialized electroreceptor organs that allow the shark to sense electromagnetic fields and temperature changes in the water […]

How did Joseph save Egypt?

How did Joseph save Egypt? Joseph collected all the food produced in those seven years of abundance in Egypt and stored it in the cities. When all Egypt began to feel the famine, the people cried to Pharaoh for food. Then Pharaoh told all the Egyptians, “Go to Joseph and do what he tells you.” […]

Do astronomers use chemistry?

Do astronomers use chemistry? By comparing astronomical observations with laboratory measurements, astrochemists can infer the elemental abundances, chemical composition, and temperatures of stars and interstellar clouds. Do you need chemistry for astronomy? Astronomy is a unique subject because it deals with such a vast mixture of topics – the very reason why many people find […]

What muffles sound the best?

What muffles sound the best? The best types of surfaces for absorbing sounds are ones with jagged surfaces and hollow recesses within (much like a sponge or cardboard). The proper object captures the sound waves and bounces them around within the object until the vibrations dwindle. Does Styrofoam deaden sound? Polystyrene foams such as Styrofoam […]

What do we call a ramp and ladder combined?

What do we call a ramp and ladder combined? A wedge is a simple machine that is made of two inclined planes together. Inclined planes don’t move, but wedges do. An axe is an example of a wedge. Inclined planes are simple machines used to make work easier. Ramps, ladders, and staircases are all inclined […]

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