science final

What is the percentage of clean water from glaciers, groundwater and lakes?

• 75%
• 85%
• 2%

• 3%

Tags

NGSS.MS-ESS2-4

which two numbers are recyclable

• 2 and 6

• 3 and 8

True or false: Freezing salt water helps make fresh water

• true

• false

what are the two sources of pollution

• point source and non point source

• Plastic pollution and radioactive pollution
• Light pollution and thermal pollution
• Soil pollution and noise pollution

what is the name of the chemical in the Hudson River?

• Mercury
• Lead
• Arsenic
• PCBs

Lasers stand for

• light

• a

• amplification

• e

• fadiation

• l

• emissions

• r

• stimulation

• s

what are emissions?

• Emissions are the release of water into the atmosphere.
• Emissions are the release of solid waste into the atmosphere.
• Emissions are the release of energy into the atmosphere.
• Emissions are the release of gases or particles into the atmosphere

where does most of the air pollution come from today?

• factories

• cars and coal fired power plants

Tags

NGSS.MS-ESS3-4

what natural sources cause air pollution?

• Industrial emissions
• Agricultural activities
• Ocean currents
• Volcanic eruptions, wildfires, dust storms, and biogenic emissions

what is ozone?

• when gases react in the sunlight to produce a form of oxygen

• Ozone is a solid form of oxygen.
• Ozone is a type of metal.
• Ozone is a liquid compound made of hydrogen.