Tt. Science year 8

This page lists questions and answers that were posted by visitors named Tt. Science year 8.

Questions

The following questions were asked by visitors named Tt. Science year 8.

Answers

The following answers were posted by visitors named Tt. Science year 8.

ear defenders are used to reduce the amount of noise in a noisy environment. Sound travels through particles and if there are no particles e.g vaccum-a vaccum is a space without any particles sound waves cant travel so ear defenders are use full for peopl...