The invention of agriculture
a. led to an increased birth rate and death rate.
b. provided a more dependable food supply.
c. allowed people to settle down in villages.
d. all of the above

halogen, any of the six nonmetallic elements that constitute group 17 (group viia) of the periodic table. the halogen elements are fluorine (f), chlorine (cl), bromine (br), iodine (i), astatine (at), and tennessine (ts).

glycolysis is a process that fuel your metabolism. it is apart of cellular respiration the process that produce atp.