Ch 11 Reading HW

What are the environmental impacts of gold mining mentioned in the text?

• Air and water pollution

• Deforestation

• Noise pollution

• Soil erosion

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

Gold mining often involves the use of toxic chemicals. Fill in the blank: The solution used in gold mining reacts with the gold and then drains off the rocks, pulling some gold with it, into ________ ponds.

• settling

• filtering

• washing

• cleaning

Tags

NGSS.MS-LS2-4

Which of the following eras is known as the 'Age of Mammals'?

• Mesozoic

• Paleozoic

• Cenozoic

• Precambrian

The Earth's core is composed primarily of ______.

• Nickel

• Iron

• Copper

• Zinc

What is the outermost layer of the Earth called?

• Mantle

• Core

• Crust

• Asthenosphere

The process where hot material rises through the mantle and cools as it reaches the outer mantle is known as ________.

• Convection

• Subduction

• Erosion

• Sedimentation

Tags

NGSS.MS-ESS2-1

Which of the following is an example of sedimentary rock?

• Granite

• Basalt

• Sandstone

• Marble

Tags

NGSS.MS-ESS2-1

The rock cycle involves processes such as erosion, melting, and ________, which produce sedimentary, igneous, and metamorphic rocks, respectively.

• Weathering

• Metamorphism

• Cooling

• Compaction

Which of the following processes contribute to soil formation?

• A) Physical processes

• B) Chemical processes

• C) Biological processes

• D) All of the above.

Tags

NGSS.MS-LS2-3

In the soil profile diagram, which horizon is known as the topsoil? Fill in the blank: The topsoil is known as the ______ horizon.

• O horizon

• A horizon

• B horizon

• C horizon