Answer:
observe, question, research, hypothesize, experiment, test hypothesize, draw conclusions, report
Digestion, medulla, heart, and involuntary muscles
Acid rain can be caused by factors and there chemicals in the air
Acid rain effects- getting into our under ground waters, the animals might get sick from the acid rain, fish might die, animal health, and human health when it gets in our drinking water
Acid rain-meaning that it has elevated levels of hydrogen ions. is a rain or any other form of precipitation that is unusually acidic.
Hope this helps have a nice day
In humans, each cell normally contains 23 pairs of chromosomes, for a total of 46.
Yeah that's possible in some rare cases