When moving upward on an energy pyramid from one level to the next, what happens to the usable energy in an

ecosystem?

It increases by about 10%

It increases by about 90%

It decreases by about 10%

It decreases by about 90%

Otis watches a cooking show on making mayonnaise. The chef dissolves salt and sugar in vinegar. She mixes in an egg yolk, and then mixes in oil until the ingredients are completely blended together.

Which element has the greatest ionization energy? Lithium (atomic # 3), Boron (atomic # 5), Nitrogen (atomic # 7), or fluorine (atomic # 9),?

Which of the following is NOT made up of atoms

The hydrolysis of ethyl acetate (CH3COOC2H5) by sodium hydroxide yields ethanol (C2H5OH) and sodium acetate (NaO2CCH3) by the reaction shown, which follows second order kinetics. In an experiment 500 mL of 0.

What do the sun and moon have in common

Whats the difference between china and Europe

Iodine pentafluoride gas reacts with iodine fluoride gas producing iodine heptafluoride gas and iodine gas. What is the maximum number of grams of iodine gas that can be produced from a reaction of 10.0 g of iodine pentafluoride with 11.

What evidence of a chemical reaction might you see in dropping an Alka-Seltzer tablet into a glass of water?

State hess's law. how is it used

When the name of a molecule ends in - ose, the molecule is a