Which statement best describes a scientific question?
it must be based on a hypothesis.
it must be supported by data.
it must be testable.
it must be original.

The intervention of extraterrestrials has been used to explain the bermuda triangle, a region of the atlantic ocean where ships and planes are frequently lost, leaving no evidence behind. how would this explanation best be characterized?

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?