Some diseases, like chicken pox, people only get once. why?
a) your skin keeps out the...
Biology, 03.01.2020 19:31 KAITLYN007
Some diseases, like chicken pox, people only get once. why?
a) your skin keeps out the germs.
b) your allergens protect you.
c) the disease can only enter your body once.
d) some of the antibodies stay in your blood.
Answers: 2
Biology, 22.06.2019 02:00
Which statement correctly describes a way that mutations increase the likelihood that a species will survive in a changing environment
Answers: 1
Biology, 22.06.2019 04:30
Asmall population of chimpanzees lives in a habitat thant undergoes no change for a long period of time. how will genetic drift affect this population
Answers: 3
Biology, 22.06.2019 06:20
What is the importance of having the us forest service, the bureau of land management, the us fish and wildlife service, and the national park service? to manage land resources for conservation and the development of natural resources to manage land resources for conservation and the development of urban areas to preserve historical landmarks and manage the development of urban areas to preserve historical landmarks and manage the development of rural areas
Answers: 3
History, 23.09.2021 14:00
Mathematics, 23.09.2021 14:00
English, 23.09.2021 14:00
History, 23.09.2021 14:00
Mathematics, 23.09.2021 14:00