Answer:
he body's first line of defense against pathogens uses mostly physical and chemical barriers such as sweat, skin, tears, mucus, stomach acid, and so on.
Explanation:
Answer:
2000m
Explanation:
Given parameters:
Rate of regional erosion = 2 m per 1000years
Unknown:
Amount of regional erosion in 1, 000, 000 years.
Solution:
If it takes 1000 years for regional erosion to remove 2m of earth
then, in 1, 000, 000 years, the amount of regional erosion will be: 
⇒ 2000m
In a million years to come, 2000m of earth would have been eroded as a result of regional erosion.
Answer:
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Column 1: climate zone Column 2: characteristic
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a) tropical — always near an ocean.
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b) dry — heat and dryness.
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c) moderate — heat and rain.
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d) continental —ice year round.
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Answer:
b.global perspective and interest in interrelationships .
Explanation:
Bigger pieces of sediment are usually deposited first then the little pieces then fill in the spaces between.
