Answer:
snakes detect the presence of an enemy or pray by interpreting chemical signals given off by potential prey.
Explanation:
snakes are able to "smell" their pray by picking up chemical signals with their tongue.
Answer:
C. Asserted the power to regulate the nation's economy.
Explanation:
During the Great Depression of the 1930s, the national government asserted the power to regulate the nation's economy.
To develop accurate calendars.