Biology, 13.06.2020 07:57, alazayjaime1423
The reason for the dramatic decline in the number of measles cases from 1960s to 2010 in the United States was because the vaccine?
1. Contained pathogens to fight against this highly contagious virus.
2. Prevented the development of serious complications after infection.
3. Exposed many people to a weakened form of the measles virus, making them immune.
4. Contained an antibiotic that killed the measles virus, preventing its spread.
Answers: 3
Biology, 22.06.2019 00:00, aylineorozco836
Identify the type of energy used in each action. the flexing of an arm muscle: a signal transduction process by a neuron: a ball at the top of a hill: 1. electrical energy 2. mechanical energy 3. gravitational potential energy
Answers: 2
Biology, 22.06.2019 00:00, abdirahmansoloman
Question 1 of 102 pointswhich best describes adaptive radiation? oa. geographical isolation caused by an adaptationob. biodiversity resulting from few ancestorsoc. a decrease in the rate of speciationd. adaptations that organisms teach each other
Answers: 2
Biology, 23.06.2019 03:40, jimmyjimjim
Which animal adaptation happened before the others? a. reproduction on land b. development of a coelom c. bilateral symmetry d. lungs
Answers: 2
The reason for the dramatic decline in the number of measles cases from 1960s to 2010 in the United...
Mathematics, 06.03.2020 23:40