Question

3. Match The Meanings
a. awareness
b.threat
c.hazardous
d.obsolute
e.improvement
f.lifetime

1-something that can be harmful or cause a problem. 2- the act of having or making something better. 3-understanding of a particular subject or situation. 4-dangerous, especially to people's health or safety.
5- the period of time that someone lives or something exists.
6- something you don't use anymore because something better has been invented.​

Answer 1

a) awareness = understanding of a particular subject or situation

b) threat = dangerous, especially to people's health and safety

c) hazardous = something that can be harmful

d) obsolete = something you don't use anymore

e) improvement = the act of having or making something better