Which of the following natural forces is responsible for the release of carbon dioxide and other atmospheric gases?
the milankovitch cycles
volcanoes
solar intensity
burning of fossil fuels

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.

If a checkpoint detects damaged dna, the checkpoint may

"your temperature analysis reveals a pattern with coldest temperatures located to the portion of the map."