"which sequence of organisms represents a food chain within this food web?
(1)tadpoles → algae → daphnia → back swimmers
(2)sedges → ants → frogs → kookaburras
(3)algae → daphnia → decayed material → bacteria
(4)dragonflies → sedges → ants →centipedes"

What causes the force that pushes magma from the magma chamber through the pipe and vent of a volcano?

Ronald wants to see if a new shower cleaner works better in removing soap than his old cleaner. he uses the new cleaner on one half of the shower tiles and his old cleaner on the other half. identify the independent and dependent variables in this experiment. enter your answer in the space provided.

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only