Epidemics of polio and measles used to be common in the United States. Now they are rare. What is the best explanation for this?
(Group of answer choices)
A. water monitoring and treatment
B. widespread vaccination
C. insecticides that kill transmitting pests
D. careful use of antibiotics
Answers: 3
Chemistry, 22.06.2019 18:10
The atom fluorine generally will become stable through the formation of an ionic chemical compound by accepting electron(s) from another atom. this process will fill its outer energy level of electrons.
Answers: 1
Chemistry, 22.06.2019 22:00
All of the following are homogeneous mixtures except a) sugar dissolved in water. b) orange juice. c) coffee with cream. d) household vinegar. e) apple juice
Answers: 1
Epidemics of polio and measles used to be common in the United States. Now they are rare. What is th...
Mathematics, 07.01.2021 21:50
English, 07.01.2021 21:50
Mathematics, 07.01.2021 21:50
Mathematics, 07.01.2021 21:50
Mathematics, 07.01.2021 21:50
Chemistry, 07.01.2021 21:50
Chemistry, 07.01.2021 21:50
Mathematics, 07.01.2021 21:50
Health, 07.01.2021 21:50
Arts, 07.01.2021 21:50