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

Which of the following are energy solutions that release pollution into the air>

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is