A person who has lost a large amount of blood but is still alive is found in awrecked automobile under a highway bridge. Several people are helping theparamedics load the victim into the ambulance. After the ambulance has departedfor the hospital, you overhear the following conversation from the persons whohelped the paramedics. "I am certain that when that guy gets to the hospital, theywill transfuse him with any blood that they have in the blood bank since he haslost so much blood." The other person says, "Yeah, I bet you're right!" Having hada biology course, you know which blood could be safely given to anyone. Select it below.

A. A
B. B
C. AB
D. O

D. O

Explanation:

Blood type O- is often referred to as the universal donor. If someone has lost an excessive amount of blood and their blood type is unknown. It is safe to use a type of blood that anyone can accept without being rejected by the human body.

i think that is new experiments yield untrustworthy data and should be carefully considered, because you don't know what will happen with the experiments.

before, trains worked using the steam engine. thus, it uses heat so it is crucial to apply heat balance. the steam engine absorbs energy during the stage of boiling water. so, this is the endothermic reaction. when the steam is used to work the piston, it has to release this energy through running the train. the excess energy is released as an exhaust to the chimney. this is the exothermic process because it releases energy to the surroundings.