One open container and three insulated, closed containers are filled with 1000 mL of ice cream. Each container is placed in the same location for one hour and the ice cream is checked for melting. The data are recorded in the graph. According to the graph, which container is most effective in keeping the ice cream from melting?

Question 3 options:

the open container

the rubber-lined container

the aluminum-lined container

the fiberglass-lined container

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.

Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above

How do living things obtain phosphorus