The answer to your question is A. Higher latitudes receive less radiation due to the curvature of the Earth.
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Answer:
Pulmonary veins
Explanation:
In the circulatory system, the heart is responsible for for pumping oxygenated blood throughout the body and deoxygenated blood to the heart.
Normally all veins carry deoxygenated blood. However the pulmonary vein is the only vein that carries oxygenated blood.
They carry oxygenated blood from the lungs to the heart.
However the Superior and inferior vena cava are responsible for delivering deoxygenated blood to the heart.
The answer is wavelength. It is the distance between corresponding points of two consecutive waves (corresponding points are particles or points in the same phase, meaning the points have completed identical fractions of their periodic motion. In a transverse wave it is the distance between two successful crests or troughs while in a longitudinal wave is the distance between two successful compressions or rarefactions.