What is aprdoner and what does he do?

Which one of the following statements about a topic sentence and a main idea is accurate? Why was binomial nomenclature an important contribution to the world of science? What can friction do to a moving object? Can we measure the temperature by keeping the thermometer at some other place than the mouth? What is the statement that describes the desired outcome of a training activity in a unit? What does HAZCHEM mean? 10 adjectives to describe Sir Isaac Newton? Where does graphite come from? Where is the world's largest marsh and what is it? When did Charles Darwin leave for his voyage? How much rubish does each person produce in one day? Why ethics a called normative science? What is an example of faulty cause and effect? What class lever is a nut cracker? Does a science fair display board need to have a background? Who were the titains? Is a theory a myth? Compare and contrast scientific theories? Why does dry wood catch fire easily as compared to freshly cut branches of a tree? What is the three dimensional image made with laser light?