Which of these choices best describes italy in the 15th century? a unified nation one large feudal estate a collection of small kingdoms and city-states a collection of spanish and french colonies

In the stratosphere, oxygen (O2) is converted to ozone (O3) by high energy ultraviolet light. When the equation is written and balanced using whole number coefficients, the coefficient of ozone is:

How is good (stratospheric) ozone formed? a. combining an oxygen molecule (O2) an atom of chlorine (Cl) b. combining a single oxygen atom (O) with an oxygen molecule (O2) c. combining two single oxygen atoms d. breaking apart an oxygen molecule

It rained tonight this statement refers to climate weather

Explain the effect of immigration on society in the United States on housing patterns.

Explain what causes earth quakes.

Explain why a baseball would go higher if it were thrown up from the surface of the Moon than if it were thrown up with the same velocity from the surface of Mars?

The arid expanse covering north africa is called

How did technology lead to geographic expansion and growth of cities in the midwest

What are living things use in water

What can teacher asks about Canada?