The nutrientsused in ecosystems by living organism operate on? A-open system.
B-closed system.
C-both

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?

Which was most likely an effect on society that resulted from improvements in blood handling during world war i and world war ii?

Due i have no idea on this brainliest to the best answer. case #28104 last month, hudson national bank was robbed by an unidentified man. the robber wore gloves, a hat, and a bandana that covered his face. a security guard attempting to stop the robber was knocked unconscious in a struggle. however, the guard managed to pull the hat from the robber's head. witness accounts and security tapes led police to arrest three possible suspects. none of the suspects have alibis, but police are not certain which man is the robber. using hair samples from the hat recovered by the security guard, the crime lab did a southern blot test. hair samples were also taken from each suspect. use the suspects' hair samples to determine the guilty party. suspect a tccatcca / tccatccatcca / tcca / ggcttacctataagg / tggatggatggatggatgga suspect b tccatcca / tccatccaattg / tcca / tccatccatccatccatcca / tggatggatggatgga suspect c ttagcta / ccggtatga / aggt / cgttatcggatata / ggttaggacctatcgataga probe aggt questions answer these following questions in the essay box below. a. which suspect most likely committed the robbery? b. how do you know?