Water arrived on earth in the form of from comets and meteoroids. earth’s surface was enough to turn it into that, once it cooled, brought rains to fill the oceans. 1.) a. precipitation b. vapor c. icy debris 2.) a. rigid b. hot c. cold 3.) a. water vapor b. ice c. crustal rocks

Whay is the following best defines climate

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point

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