EOG review

Which best provides evidence of the age of the solar system?

• oldest rocks on Earth have been dated to 3.8 billion years

• rocks found on the moon have been dated to 4.5 billion years

• volcanic activity on Earth's surface has recycled at least once since its formation

Which best describes the Law of Superposition

• each sedimentary layer of rock represents 1,000 years of Earth's age

• in undisturbed rock, the upper rock layers are older than the lower rock layers

• in undisturbed rock, the lowest layers contain the oldest rock

Which statement is MOST accurate

• fossils found in upper layers of rock are generally older than those below it

• fossils are an indicator of ancient environmental conditions

• absolute ages of fossils are determined by using carbon dating technology

Which of these would help determine the changes in a plant species over geologic time?

• examining the fossil record of the plant

• examining the type of seeds the plant produces

• examining the animals that eat the plant

In which location would fishermen most likely catch a greater number of fish?

• at the shoreline

• in the intertidal zone

• in an upwelling

Which chemical elements in fertilizers pollute stormwater runoff and contribute to excessive plant growth?

• phosphorus and nitrogen

• iron and lead

• copper and zinc

In the US, which is responsible for ensuring the safety of the country's drinking water?

• Environmental Protection Agency (EPA)

• National Oceanic and Atmospheric Administration (NOAA)

• Food and Drug Administration (FDA)

Which of these organisms is a producer

• fish

• worm

• algae

If wolves prey on deer, what will happen to the deer population if wolves are removed from the area?

• population of deer will increase

• population of deer will decrease

• population of deer will become extinct

Which is an example of how hydroelectric power could harm the environment?

• dam causes silt and sediment buildup

• radioactive waste is a threat to wildlife

• dam causes changes to the salt content of the water downstream