Look at the graph above below measuring the speed of a truck and answer the following 2 questions: a) if the graph represents speed, what is measured on the x and y axes? you need to specifically identify which axis is which b) based on what the y axis measures, explain the motion of the truck represented by the graph from point 2 to 6

Name the type of chemical that speeds up digestion

Describe two recent or ongoing space missions.

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