The dependent variable is how high the ice cube floats (measured in units).
B, because it goes bottom to top and the biggest or strongest animal is at top or decomposer while the weaker ones down so that means when they get eaten some energy for the one below transfers to the next animal
Answer:
true because of elongation
The pure substance within chemistry is a very simple concept to grasp. Pure substances are defined as substances that are made of only one type of atom or only one type of molecule (a group of atoms bonded together). The measure of whether a substance is pure is known as purity.
2 because it is and I looked it up also