Answer:
a.ii. A predetor is an animal that hunts or kills for food
A prey is the animal that the predetor hunts or kills for food
Explanation:
For example a rabbit is a prey because a fox (predetor) can hunt or kill it.
Gasoline igniting doesnt change physically, wood rotting is just it getting old i guess, i would say d because its from water to vapenation. im really bad in school so im not sure but i decided to answer
There are often not more than one or two independent variables tested in an experiment, otherwise it is difficult to determine the influence of each upon the final results. There may be several dependent variables, because manipulating the independent variable can influence many different things.
A semipermeable membrane is a type of biological or synthetic, polymeric membrane that will allow certain molecules or ions to pass through it by diffusion—or occasionally by more specialized processes of facilitated diffusion, passive transport or active transport.
D is the right answer
But then again it is actually wrong... Either way D is the answer