What is sentinact?

What is Interpreting observations based on reasoning from what you already know is called? If the weight is 2 tons per cu yd what is the formula to convert cu yds to lbs per sq in? Why are stomata usually closed in the dark? What is a single-celled organisms? What do you think of biomedical engineering? What shape has triangular faces? What metric unit of volume is used in Europe to measure gasoline? What enables U.S. citizens to consume a disproportionately large amount of products compared to the rest of the world? Which is correct- I have A Master of Science or a Master's of Science? Is the biggest magnet strongest or the smallest? What do you call the thing where you got your information from? What is 50 degrees in Fahrenheit? Sound adults can't hear? Can a magnifying glass make a laser stronger? Why is measuring necessary in science? Why the Neap Tides occur during the first and third quarter moon? The evolution of predators to be more cunning and prey to be faster runners is an example of? What role has SI played in the development of science? How many 14Mg coins of 24K gold would it take to equal one troy ounce? How did the telegraph affect the native Americans?