Which of these are fresh water ecosystems? Check all that apply a. Marshes and swamps
b. Coral reefs
c. Lakes and ponds.
d. Estuaries
e. Rivers and streams

3. lithuania, latvia, and estonia all a.)signed a peace treaty with germany in 1996 b.)signed a pact with russia in 1996 c.)were admitted to the european union in 2004 d.)were damaged by the chernobyl explosion in 1986

Which evidence is most likely used to indicate the beginning of solar system formation? a. materials combined to form a mass. b. materials were pulled together by gravity. c. water condensed and collected to form oceans. d. different species of microorganisms lived on earth.

What is the difference between emigrate and immigrate? ?