What are the disadvantages of using spruce?

What are clue words on a paragraph? What are the types of description? Is work done if you push a car that has run out of gas? Why is science is limited? 3500 feet is equal to how many miles? Is usual the opposite of rare? What could you use to melt ice besides salt? You have a 1977 one dollar bill and on the back lower border it is printed experimental printing not for public use in green print what is this bill worth? Why are multiple trials necessary in scientific investigations? Does deductive reasoning uses specifics observation to make generalizations? What is deforstion? How many miles are in 40 acres? Is there only one scientific methodfthod? When you use a ramp what happens to the distance over which you exert force? If you put a egg in salt water what is the circumference? Cooperative missions between countries are being planned to send spacecraft to what and elsewhere? Two things that makes jovium a metal? Which low is the every action has an equal and opposite reaction? What is the difference between a flood light and a spot light? What are the three different types of cosumers?