Which of these would help dissolve a solid into a liquid faster? A lowering its temperature
B compressing the solid into a big lump
C using a metallic rather than a nonmetallic solid
D stirring or shaking the mixture

Which of the following represents a negatively charged ion? of t 7

Facilitates growth and change in neurons and the migration of neurons to different sites in the brain

Ineed to get this test done which of the following statements is correct in hour our immune system responds to a potential pathogen? a.) the skin will be the first line of defense, and then the many phagocytes in the bloodstream will attempt to consume the possible pathogen. b.) b cells will start reading the antigen code immediately and call t cells to assist in destroying the pathogen. c.) the adapted immune system will call on the innate immune system to destroy the pathogen. d.) the t-cells in the adapted immune systems are the first to recognize the pathogen