Question

34. Overgrazing results in
a. Productive soil
b. Soil erosion
c. Retention of useful species
d. All of these
35. Which of the following types of coal has maximum carbon and calorific value
a. Anthracite
b. Bituminous
Lignite
d. Peat. plzzz help me​

Answer 1

Answer:

For que 35 answer is Anthracite

Answer 2

Answer:

Overgrazing results in- b. Soil erosion

Which of the following types of coal has maximum carbon and calorific value- a. Anthracite

Explanation:

• Overgrazing exceeds the carrying capacity of a pasture.
• Overgrazing often results in soil erosions, the destruction of vegetation and other problems related to these processes.
• Overgrazing can reduce ground cover, enabling erosion and compaction of the land by wind and rain.
• Overgrazing is also one of the leading cause of climate change.
• Also overgrazing cause- tramping, urination, defecation and trashing.
• Anthracite contains 86%- 97% carbon and generally has the highest heating value of all ranks coals.
• It is hard, brittle and black in color with lustrous coal, it is often referred as hard coal, containing a high percentage of volatile matter.

Hence, the answer to the given questions, 1. overgrazing results in and which of the following types of coal has maximum carbon and calorific value is- Anthracite.

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