40 for 40 Part 2 EOG Review

Sodium (Na) and Chlorine (Cl) combine to form table salt (NaCl). Which best describes NaCl?

• Reactant

• Product

• Element

• Precipitate

Which is a possible disadvantage of using hydropower?

• It is not renewable

• It is not efficient

• Potential harm to ecosystems

• It produces very little energy

Why is water from an aquifer usually a safer drinking water source?

• Pollutants are filtered by rock and soil within the earth

• It has never been part of the water cycle

• Reverse osmosis purifies it

• It is heated to high temperatures

Which is NOT evidence for evolution?

• Fossil Record

• DNA Similarities

• Climate Change

• Karyotype Comparisons

As a solid melts to a liquid, which would likely to occur?

• The molecules will move faster

• The molecules will move slower

• The molecules will disappear

• The molecules will increase in size

Which best describes a pandemic?

• An outbreak of infectious disease across a large area of the world

• An outbreak of infectious disease across the country

• An outbreak of infectious disease across a state

• An outbreak of infectious disease across a community

Which is a field of study related to biotechnology?

• Agriculture

• Forensics

• Healthcare

• All are fields related to biotechnology

Which best determines the number of organisms that can live in a given area?

• The amount of available resources

• The amount of mutualistic relationships

• The amount of predator/prey relationships

• The amount of cooperative species

Which best describes a species?

• A group of organisms without any similarities

• A group of distantly related organisms

• A group that can reproduce and produce fertile offspring

• A group of non-relate organisms

Which best describes what occurs as molecules in a liquid are frozen in a solid?

• They move closer together and they move more quickly

• They move closer together and they move more slowly

• They move farther apart and they move more quickly

• They move farther apart and they move more slowly