Jet streams are fast moving air currents much like how a river is a fast moving water current so the answer is jet streams.
She would find oxygen (O2) in the test tube because plants give off oxygen
i think false because they can help with another animal and there population decrease
being killed of leaving causing severe damage and leaving the lungs and the immune system of the human body affected by TB weak and defenseless without antibodies and medicine. the healthy cells are basically being killed by the TB bacterium.