Answer:
A. An area with low air pressure
Explanation:
The red "L" symbol is used to mark an area with a low pressure air system. A low air pressure system would cause thunderstorms, but the "L" does not mean that the area marked would cause a tornado.
Option A should be the correct answer.
Answer:
true, the alternative would be postzygotic barriers.
Explanation:
Answer:
The blood vessel from lungs to heart is pulmonary vein which carries oxygenated blood.
