I don’t know but it’s either b or c
Through parents having intercourse, so the genes are passed on to generation to generation,
Answer:
Amphibians
Explanation:
They had just shown up during the Carboniferous period and were still living in the water.
.dont taste or sniff chemical
Tasting and smelling some chemicals can be dangerous and even deadly.the best way to know what is in a container is to label
. Don't play mad scientists
This result in mixing chemcals to see what happens the result could be explosion ,fires,or releasing toxic chemicals
.Dress for the lab
This is a safety rule because clothing is one of your best form of protection against an accident wear covered shoes,long pants,and keep your hair tied so it cant fall into your experiment
