Biology, 25.11.2019 11:31, zyrashanson
How might irrigation harm soil and soil organisms? a. it can waterlog the topsoil. b. it can recirculate salts to the topsoil. c. it can leach minerals from the soil. d. it can cause compaction.
Answers: 3
Biology, 22.06.2019 01:30, ayoismeisalex
Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.
Answers: 1
Biology, 22.06.2019 04:00, smithscarpetcaour4es
In the water cycle , when does water undergo a chemical change
Answers: 1
Biology, 22.06.2019 12:40, crybaby222psyc
In a cladogram, what occurs at a node? a derived trait appears. evolution is stopped. an ancestor dies. the cladogram ends. aa as s as ss what are the chances that their offspring will have sickle cell anemia? 0% 25% 50% 100%
Answers: 3
How might irrigation harm soil and soil organisms? a. it can waterlog the topsoil. b. it can recirc...
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