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6. Fill in the blanks: -
a. All such substances which are used by human beings for their survival and welfare
are called .
b. Petroleum is a and resource.
c. resources are present in unlimited amount in nature and can be continually
replenished.
d. A is a substance that can be used to produce heat at a reasonable cost.
e. A fuel is obtained from the remains of plants and animals that died millions of
years ago.
Answers
Answered by
1
a) Human Resources
b) natural
c) non renewable
d) coal
e) fossil
b) natural
c) non renewable
d) coal
e) fossil
Answered by
0
Answer:
a = Resources
b = natural , important
c= Non- renewable
d= coal
e= fossil
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