Answer is b hole this helps
Answer:
The oxygen molecule passes through the wall of the alveoli and enters inside tiny blood vessels called capillaries where exchange occurs. A protein called hemoglobin in the red blood cells then carries the oxygen around your body.
Explanation:
Answer:
c
Explanation:
Ocean acidification is occurring because excess carbon dioxide (CO2) in the atmosphere is being absorbed at the surface of the ocean at an increasing rate. This excess CO2 results in more hydrogen ions, which increases the acidity of the ocean.
Answer is A
(a brainliest would be appreciated)
If we cross a homozygous blue oval plant with a homozygous white round plant
P: BBrr x bbRR
The resulting F1 progeny:
F1: BbRr
If we cross BbRr with bbrr
F2: 1/4 blue round plants (250 plants) ¼ blue oval plants (250 plants) ¼ white round plants (250 plants) and ¼ white oval plants (250 plants).