Fill in the blanks:
a)Biogas is released during the treatment of _______.
b)The magnetic effect of current was first observed by _______.
c)Distance travelled in _______ is defined as speed.
d)Removal of topsoil is called _______
Answers
Answered by
2
Answer:
a) bio mass
b) Hans Christian Oersted
c) unit time
Answered by
0
Answer:
d) soil erosion
b) Hans Christian Oersted
c) per unit
a)sewage treatment
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