This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. man can impact the carbon cycle in a negative way. all but one example below would negatively impact the carbon cycle. identify it.

a) planting a field of wheat
b) a factory with smoke stacks
c) the local landfill burning trash
eliminate
d) paved streets with many cars on the roads

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