Regents Review

Which information best supports the inference that the universe began with an explosion?

• measurements of rates of decay using Carbon-14

• measurements of cosmic background radiation

• calculations of the distance from the Sun to each asteroid in the asteroid belt

• calculations of the temperature and luminosity of stars

What causes many surface winds to deflect to the right in the Northern Hemisphere?

• rotation of Earth on its axis

• unequal heating of Earth's surface

• gravitational force of the Moon

• gravitational force of the Sun

Scientists infer that most of Earth's earliest atmosphere was produced by

• a collision with a giant gas cloud

• capturing gases from a nearby planet

• vaporizing comets that impacted Earth's surface

• the escape of gases from volcanoes

Compared to the oceanic crust, the continental crust is

• more dense and mafic

• more dense and felsic

• less dense and mafic

• less dense and felsic

Most of the sediment that is compacted and later forms shale bedrock is

• clay

• silt

• sand

• pebbles

Most of the sediment that is compacted and later forms shale bedrock is

• clay

• silt

• sand

• pebbles

A 65.5 million-year-old impact crater in Mexico provides evidence for the cause of the

• breakup of Pangaea

• evolution of the earliest corals

• Alleghenian Orogeny

• extinction of ammonoids

The Catskills landscape region is classified as a plateau because it has

• low elevations and mostly faulted or folded bedrock

• low elevations and mostly horizontal bedrock

• high elevations and mostly faulted or folded bedrock

• high elevations and mostly horizontal bedrock

Approximately which percentage of Earth's surface is exposed above water?

• 30%

• 50%

• 70%

• 90%

What is the time in Boston when it is 11 am in San Diego?

• 8 am

• 2 pm

• 3 pm

• noon