A certain kind of bacteria lives and feeds in the intestines of mammals. The bacteria partially digest complex molecules, making them easier for the animal to digest. Which term described the relationship between the intestinal bacteria and the mammals? A) mutualism
B) commensalism
C) parasitism
D) competition

Which element in the third period would you expect to have the larger atomic radius, sodium (na) or sulfur (s)? a. sodium, because it has a higher effective nuclear charge attracting electrons in fewer energy levels. b. sodium, because it has fewer protons attracting electrons in the same energy levels. c. sulfur, because it has more protons attracting electrons in more energy levels. d. sulfur, because it has a higher effective nuclear charge attracting electrons in the same energy levels.

Where are each of the three particles located within the atom?

In a chemical reaction at equilibrium, the rate of the forward reaction the rate of the reverse reaction. if the rate of the forward reaction more products are formed.