Science, asked by vm917825, 4 months ago

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 joshianuvrat
2

Answer:

a) bio mass

b) Hans Christian Oersted

c) unit time

Answered by varshini160
0

Answer:

d) soil erosion

b) Hans Christian Oersted

c) per unit

a)sewage treatment

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