Hydrogen may be a future energy source to power vehicles.
Answer the following statement true (T) or false (F)
True
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At the mouth of the Mississippi River in Louisiana, the loss of coastal wetlands due to human activities contributed to storm damage caused by recent severe hurricanes. This loss of coastal wetlands therefore represents
A) an increase of natural goods. B) a loss of provisioning services. C) a long-term regional benefit to humans. D) a long-term economic benefit to humans.
An empirical classification is based on, among other factors,
A) the interaction of air masses. B) the origin or genesis of the climate. C) the mean annual temperature and precipitation of an area. D) causative factors.
As a result of the landslide at the Vaiont Dam, northern Italy, in 1963, approximately 3000 people died ________.
A. when slope failure allowed the dam structure to be pushed downstream by the water pressure of the reservoir B. when the landslide impacted and destroyed the dam structure C. as their houses that had been built on the landslide were destroyed D. as a huge wave of water was displaced from the reservoir by the landslide E. as their houses were buried by the landslide
Duration and intensity of light vary with latitude and season and serve as a cue to initiate the growth stages in many plants.
a. true b. false