Did you ever wonder how your muscles keep working when you’re exercising so intensely, but when they’re low on oxygen? Or how dough rises? Both of these processes occur when respiration (when oxygen is present) is not possible, we call this anaerobic respiration (when is not present). A type of respiration is called , and in yeast this reaction makes , while in your muscles it makes .

(Quiz)

1.is the process in which earthen materials are worn away and transported by natural forces such as wind or waterRequired to answer. Single choice.
Desertification
Erosion
Sahel
Grazing
Climate
Resource
Nutrients
Degrade
Desalination
Poverty

2.The is a narrow band of semi-arid land that forms a transition zone between the Sahara to the north and the savannas to the southRequired to answer. Single choice.
Desertification
Erosion
Sahel
Grazing
Climate
Resource
Nutrients
Degrade
Desalination
Poverty

3.When soil is of poor quality we can say its is Required to answer. Single choice.
Desertification
Erosion
Sahel
Grazing
Climate
Resource
Nutrients
Degraded
Desalination
Poverty

4.A is any material that is part of Earth that people need and valueRequired to answer. Single choice.
Desertification
Erosion
Sahel
Grazing
Climate
Resource
Nutrients
Degrade
Desalination
Poverty

5.When people live below a certain standard.Required to answer. Single choice.
Desertification
Erosion
Sahel
Grazing
Climate
Resource
Nutrients
Degrade
Desalination
Poverty

6.When animals are allowed to roam and feed on vegetation.Required to answer. Single choice.
Desertification
Erosion
Sahel
Grazing
Climate
Resource
Nutrients
Degrade
Desalination
Poverty
7.The average weather over time.Required to answer. Single choice.
(1 Point)
Desertification
Erosion
Sahel
Grazing
Climate
Resource
Nutrients
Degrade
Desalination
Poverty

8. is taken up from soil by plant roots.Required to answer. Single choice.
Desertification
Erosion
Sahel
Grazing
Climate
Resource
Nutrients
Degrade
Desalination
Poverty

9. is the removal of salt from seawaterRequired to answer. Single choice.
Desertification
Erosion
Sahel
Grazing
Climate
Resource
Nutrients
Degrade
Desalination
Poverty

10. is the process of land turning into desert as the quality of the soil declines over time.Required to answer. Single choice.
Desertification
Erosion
Sahel
Grazing
Climate
Resource
Nutrients
Degrade
Desalination
Poverty

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