How is the number of individuals in a biological indicator species population related to the health of the water system?
A. If the number of individuals shows a steady decline, the health of the water system is also declining.
B. If the number of individuals shows a steady increase, the pollution in the water system is also increasing.
C. As the number of individuals increases, the population becomes a better biological indicator species.
D. As the number of individuals decreases, the population becomes a better biological indicator species.
Answers: 1
Chemistry, 22.06.2019 03:50, daniel9299
Consider the reaction: n2(g) + o2(g) ? 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?
Answers: 3
Chemistry, 22.06.2019 16:00, matt16913
Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules
Answers: 1
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