What kind of air would be characteristic of a continental polar air mass?
A. Cold, dry
B. Cold, wet
C. Warm, humid
D. Warm, dry

*will mark brainliest to first correct answer* photosynthesis led to increasing levels during the later proterozoic eon? a. oxygen b. water c. carbon dioxide d. none of the above

What protects the lining of the stomach from acidic gastric juices?

The allele for curly hair is incompletely dominant. if a mother is homozygous for curly hair and the father is homozygous for straight hair, what percentage of the offspring will exhibit characteristics of both parents? 25 percent 50 percent 75 percent 100 percent