Acommunity of plants or animals that live, feed, and reproduce in an area is called?
a. spatial system
b. region
c. place
d. ecosystem

Afamous line of latitude is the north pole. true or false

Both the nervous and endocrine systems send electrical and chemical signals for internal communication. select the best answer from the choices provided t f

How did the war of 1812 contribute to an increase in u.s. manufacturing? a) the war provided more resources for factories to increase production. b) the war promoted trade between countries so that americans could focus on fighting. c) the war cut americans off from their previous supply of imported manufactured goods. d) the war limited transportation in america, making it necessary to import manufactured goods.