Which would indicate that a vaccine is protecting a person from future disease? A.)an increase in antibodies
B.)the production of a fever
C.)the production of phagocytes
D.)an occurrence of inflammation

What are some possible short and long term medical concerns for crew members on longer space exploration trips

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

Which of the following are the ingredients that go into the plant and are needed for photosynthesis? select all that apply. 1.) soil 2.) seeds 3.) carbon dioxide 4.) minerals 5.) glucose (sugar) 6.) water 7.) light energy (sunlight) 8.) oxygen 9.) air