You find a person lying quietly on the ground. Her right leg is twisted at an unusual angle and you see protruding bones and blood. The scene is safe. Which do you do first?
a) straighten the leg
b) check for life-threatening conditions
c) use direct pressure to stop the bleeding
d) look for material to use to immobilize the injured area

answer: - b cells

explanation: -

so, the b cells mediate their action by identifying the antigens present on the surface of the pathogens and then producing antibodies in return to mediate its effect.

economic impact of malaria is estimated to cost africa $12 billion every year. this figure factors in costs of health care, absenteeism, days lost in education, decreased productivity due to brain damage from cerebral malaria, and loss of investment and tourism.

answer: a) a compound microscope has a greater magnification ability than a simple microscope.

explanation:

the framers of the constitution insisted that federal judges be nominated instead of elected due to their desire to have judges above the shifting whims of the masses.

the hope, whether achieved or not, was that federal judges would only be beholden to the law and that by not having judges be elected, they would be protected if that law dictated an outcome that ran counter to popular opinion.