Which of the following best demonstrates a community? a desert with high heat and low rainfall
a pond filled with fish, turtles, algae and weeds
all of the abitoic and biotic factors found in a tropical rain forest
All of the penguins living in an area

Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.

There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule

2polnis which of the following is an advantage of an in vitro experiment?me