Question

Q1) Fill in the blanks.
1) Noise pollution is the
issue.

3) The structure of a complex machine
​

Answer 1

Explanation:

1) issue of noise

3) complex machine is a machine made up of two or more simple machines that make your work easier to do. There are six simple machines from which all complex machines are made.

Answer 2

Answer:

noise pollution is a complex machine is.