Answer:
air masses
Explanation:
a front forms where two air masses of different temperatures meet each other
Hope that help
Traits heritable only if the similarity arises from shared genotypes
Answer:
pruney fingers are caused by shrinking blood vessels. When you soak in water, your nervous system sends a message to your blood vessels to shrink. Your body responds by sending blood away from the area, and the loss of blood volume makes your vessels thinner.
