Answer: D. Extinctions occur at higher rates during times of ecological stress when populations and species are poorly adapted.
It’s Insulated gloves because you wouldn’t need gloves in 77 degree weather.
.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
Answer:acid and base indicators are used to estimate the pH of a solution
Explanation:
