Which best describes the nucleus of an atom
a. it is the negatively charged part of the atom.
b. it is the most passive part of the atom
c. it is made of neutrons and electrons.
d. it contains no mass.

Ineed a chemical reaction takes place in which erlergy is released. arrange the reaction's characteristics in order from start to finis lower energy of reactants higher energy of products higher energy of reactants transition state sd lower energy of products

Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.

Identify the structure in organisms that do not have kidneys that is adapted to regulate water balance