Answer:
Advantages :they are used for seeing chemical reactions .
they are used for doing chemical experiment .
they are used for making affective medicines .
Disadvantages :they harms to our environment.
they can make side effects in our body by affective medicines made by chemicals.
while doing different unknown experiments they make explosions which can also harm to us.
Copper is an element.
An element is a substance that is entirely made from one type of atom.
Answer:
do what you can do not what people tell you to do
Explanation:
Explanation:
correct answer is g(x)=x+2