A small lake is filled with fish, turtles, and snakes. The next morning all the fish die but the turtles and snakes are still thriving. How did all the fish die?

What is the importantence of the carbon and nitretan cycles in the environment

What can be said about farmers in highly developed countries? a) they have little or no negative impact on the environment. b) they practice subsistence agriculture. c) they are able to incorporate polyculture into their farming practices. d) they utilize organic farming techniques on a regular basis. e) they rely on large amounts of energy from fossil fuels.

Which of the following is an effect of the uneven heating of the earth by the sun? a sea breeze a land breeze a convection current all of the above