Explain-the chemical formula for calcite


Response to the following MCQ's:

1. The apparent daily path of the Sun changes with the seasons because:

Earth's axis is tilted.

Earth's distance from the Sun changes.

The Sun revolves.

The Sun rotates.

2. Energy is transferred from the Sun to Earth mainly by:

Molecular collisions

Density currents

Electromagnetic waves

Red shifts

3. Which of the following is the chemical formula for calcite?:

CaCO3

CaMgSO4

FeCO3

FeS2

4. The name of a rapid rise of coastal water that accompanies the arrival of a cyclone is called:

Hurricane

Storm surge

Tidal wave

Cyclonistat

5. What percentage of the earth's water is fresh water?:

50%

22%

7%

3%

6. Which layer of the atmosphere contains the ozone layer?:

Thermosphere

Exosphere

Stratosphere

Troposphere

7. The fossil archaeopteryx is the earliest known example of:

Mammal

Fish

Bird

Snake

8. What is the name given to a region where one plate of the earth's crust is sliding under another?:

Induction zone

Abduction zone

Reduction zone

Subduction zone

9. Which of the following is true of an earthquake's epicenter and focus?:

They are the same.

The focus is above the epicenter.

The epicenter is at the Earth's surface.

The focus is at the Earth's inner core.

10. Where does most of the energy comes from that fuels ocean life?:

Land plants

Land animals

Dissolved gases

The sun

11. Compared to dull and rough rock surfaces, shiny and smooth rock surfaces are most likely to cause sunlight to be:

Reflected

Refracted

Scattered

Absorbed

12. The true shape of the Earth is best described as a(n):

Perfect sphere

Perfect ellipse

Slightly oblate sphere

Highly eccentric ellipse

13. Which is not a glacial deposit?:

Esker

Delta

Moraine

Outwash

14. Of the following, the color blue on a topographic map indicates what surface feature?:

Vegetation

Water

Photorevision

Rock formations

15. What name is given to the science which studies the atmosphere?:

Oceanography

Atmospherology

Meteorology

Weatherology

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