quiz about sa buhay ni kween yasmin

What is the time span of an era in the geologic time scale?

• Several hundred million years

• One hundred million years

• Tens of millions of years

• Million of years

During which eon did the Earth's surface experience severe volcanism and continuous bombardment by meteorites?

• Phanerozoic

• Archean

• Hadean

• Proterozoic

What major event occurred during the Proterozoic Eon?

• Appearance of reptiles

• Extinction of dinosaurs

• Formation of several continents

• Oxygenation of the atmosphere

Which era is characterized by the appearance of reptiles and a change in land climate?

• Cenozoic

• Mesozoic

• Proterozoic

• Paleozoic

What marked the boundary between the Precambrian and Paleozoic eras?

• Uplift of mountains

• Extinction event

• Appearance of animals with hard parts

• Formation of new continents

What is the process of fossilization?

• Sublimation, condensation, precipitation, infiltration

• Animal death, bacterial consumption, sedimentation, permineralization

• Volcanic eruption, erosion, deposition, weathering

• Photosynthesis, respiration, transpiration, evaporation

What is the principle of uniformitarianism proposed by James Hutton?

• The future is the key to the past

• The past is the key to the future

• The present is the key to the past

• The past is the key to the present

What is the principle of stratigraphy according to Nicolas Steno?

• Study of minerals

• Study of fossils

• Study of earthquakes

• Study of rock layers

What does the law of superposition state?

• The youngest layer will be at the bottom, the oldest at the top

• The layers will be arranged based on their color

• The layers will be arranged randomly

• The oldest layer will be at the bottom, the youngest at the top

What do unconformities in stratigraphy indicate?

• Extinction event

• Uplift of mountains

• Formation of new continents

• Surfaces of erosion and nondeposition that separate younger rocks from older ones