Abenefit of using nuclear energy could be the abundance of uranium in nature. which human risk about mining is the most important to consider? the use of a nonrenewable resourcethe location of storage of the radioactive wastethe cost of setting up a uranium mine operationthe health hazards that are associated with uranium mining

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.

Approximately what portion of the foods that we eat have been genetically modified in some way? a.fewer than 10% b.about 50% c.nearly 100%

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous