What is most responsible for the presence of groundwater in an area?

An atom of nitrogen had seven protons in its nucleus. how many electrons does it have

Drag each label to the correct location. each label can be moved more than once match the properties with the subatomic particle

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