Hydrogen bonds can form between regions of polar molecules that are A- negatively charged
B- non-polar
C- oppositely charged
D- uncharged (Neutral)

Which phrases describe an extrusive rock? check all that apply. fine texture cooled slowly small crystal size found deep underground different, easily observed minerals

What adaptations can prey use to avoid predation

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