COR5S- REVIEWER

What layer of the atmosphere that deals with the permanently frozen part of the Earth?

• Biosphere

• Hydrosphere

• Atmosphere

• Geosphere

It is an envelope of gas that keeps the planet warm and provides oxygen for breathing and carbon dioxide for photosynthesis.

• Biosphere

• Hydrosphere

• Atmosphere

• Geosphere

A global ecosystem that encompasses all the living things on Earth.

• Biosphere

• Hydrosphere

• Atmosphere

• Geosphere

Nitrogen: 78%: __________:21%

• Argon

• Carbon dioxide

• Oxygen

• Neon

Layer of the atmosphere where ozone layer is visible.

• Troposphere

• Exosphere

• Stratosphere

• Mesosphere

The coldest layer of the atmosphere; the meteors burn up whenever they pass to this layer.

• Exosphere

• Thermosphere

• Mesosphere

• Troposphere

Which of the following does NOT belong to the group?

• Wobble moon

• Earth's subsystem

• Sun and Location

• Celestial bodies

Solid chemical compound with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form.

• Chemical properties

• Physical properties

• Rocks

• Minerals

Marlon decided to invest by buying authentic pearls. He wanted to know the true color of the pearls. What physical property of mineral is applicable in Marlon's situation?

• Hardness

• Tenacity

• Streak

• Color

The resistance of minerals to scratching can be determined by ___________.