A molecular fragment of an antigen that serves as the primary signal that the molecule is foreign is called a(n) , whereas a small foreign molecule that can only elicit an immune response when linked to another larger molecule is called a(n) .

Which sentence is an example of a strong conclusion to an autobiography? a. i stayed after school three days in a row to practice onstage in the auditorium. b. i knew i would have to practice all week to memorize my dance for the recital. c. after the recital was over, i knew practicing was worth it, and i was looking forward to my next big challenge. d. on opening night, i danced in front of a packed auditorium.

Which of the following is a consequence of urban heat islands? increased precipitation downwind of the city? increased precipitation upwind of the city? decreased winds within the city? increased winds within the city?

How water is moving through the ecosystem ?