Answer:
The correct answer is option C, Scientists argue, re-examine, and consider new explanations to new data.
Explanation:
Science is a subject which is learned through continuous assessment.
All the established scientific theories are considered as the best explanation to any concept or fact. These established theories were also tested several times and were supported by peers during the time of their discovery. But yet the scientific theories changes as theories need to be progressive. Which means they must be embedded with scope of re framing itself in future if some better explanation for the same theory is found.
Science is however, a continuous process of learning.
Answer:G. thurberi
Explanation: because you can really tell. Correct
Answer:
A. are all elements the rest are combinations of elements
Answer:
An antigen presenting cell present antigens to helper t lymphocyte is called Macrophage.
Explanation:
Macrophage belong to the family of antigen presenting cell. Macrophage along with the help of low molecular weight protein cytokines migrates to the site of inflammation. After reaching that site Macrophage engulf the antigen and destroy the later by the process called cell eating or phagocytosis.
Then the antigenic fragements are presented to Helper T cell with the help of a protein molecule known as Major Histacompatability complex or MHC.