Select the correct answer.

the periodic table houses noble gas elements in group 18. these elements are highly stable and rarely react with any other elements. what is one possible reason for the stability of the noble gas elements?

a.

they easily form covalent bonds.

b.

the compounds that they form with other elements are very unstable.

c.

their outermost shell has the maximum number of electrons that it can hold.

d.

they require less activation energy

Some technological solutions to problems like global warming meet the specific needs and situations of local communities. an example from india involves converting the solid waste from cattle into clean-burning fuel for cooking. this reduces the amount of greenhouse gases, specifically methane and carbon dioxide, released into the environment from wood fires. when evaluating the feasibility of implementing this solution, computer models are used to weigh costs against benefits. what factor is least likely to impact the decision on adopting this technology?

Which of the following human activities resulted in the growth of the north american deer population?

3test questions with answers on incomplete dominance