Historically, the use of wells appears in the
A) Old Stone Age
B) New Stone Age
C) Bron...
Biology, 02.04.2021 09:10 blazenrais
Historically, the use of wells appears in the
A) Old Stone Age
B) New Stone Age
C) Bronze Age
D) Iron Age
E) Copper Age
Answers: 3
Biology, 21.06.2019 18:40
Choose the molecule that is described by each phrase. energy used during long activities:
Answers: 2
Biology, 22.06.2019 01:30
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 05:00
Explain how organisms could be harmed by high levels of salt from roadways?
Answers: 1
Biology, 22.06.2019 09:30
Knowing the importance of the essential elements, why would someone chose a diet that does not address all of them?
Answers: 1
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