Alice Environmental

The Montreal Protocol banned the use of CFCs. What so they hope this will do for the ozone layer?

• Deplete it completely

• Make the ozone hole smaller

• Make the ozone hole larger

• Thin the layer to allow more gas to escape

Tags

NGSS.HS-ESS3-6

The "BAD" ozone is located in the

• troposphere

• stratosphere

• mesosphere

• exosphere

What is the active atom that is in CFCs that functions to break apart and thin the ozone layer?

• Fluorine

• Bromine

• Chlorine

• Carbon

Tags

NGSS.HS-PS1-2

We need the sun to form ozone. Ozone formation occurs when UV strikes an ________ molecule and breaks it into free oxygen atoms that bond with another __________ to form ozone.

• O2, O2

• N2, O2

• O3, O3

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Pick the letter of the term or phrase that best matches the description. factor that determines where aquatic organisms live

• temperature

• coral reef

• pond

• benthos

• nekton

Tags

NGSS.MS-LS1-5

Swamps are commonly found on

• a. rocky hillsides.

• b. flat, poorly drained land.

• c. mountain peaks.

• d. bottoms of ponds or lakes.

The type of plankton that produces most of the food in an aquatic ecosystem is called

• a. nekton.

• b. benthos.

• c. phytoplankton.

• d. zooplankton.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In which aquatic zone would you be likely to find cattails and reeds?

• a. littoral

• b. eutrophic

• c. benthic

• d. none of the above

What are the two main types of freshwater wetlands?

• a. lakes and ponds

• b. rivers and streams

• c. littoral zones and benthic zones

• d. marshes and swamps

How are organisms in an aquatic ecosystem grouped?

• a. by size and shape

• b. by the food they eat

• c. by how they reproduce

• d. by location and adaptations