These highly luminous active nuclei are found at the visible edge of the universe and nowhere else. super-red giant stars
galaxies
super-massive blackholes
quasars

What's the waste product of electrons and pyruvate combining in fermentation?  

In each transformation of energy , some energy what?

Consider the following planned experiment. factor experimental group control group light exposure tots of sun tots of sun amount of water weekly weekly type of soil nutrient rich nutrient rich size of pot large which variable is being tested in this experiment? small a. size of pot b. type of soil c. light exposure d. amount of water