Help please it’s due today and i dunno what to do.

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

Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits

Which animal is a producer in this ecosystem