Did the wright brothers invented any thing els?

What is the scientific name of pencil? Should you use hot or cold water to remove stains in cloths? Can micro waves ovens cause cancer? What is gentle rain called? When the spoon drops on the ground does it produce soft or loud sound? Is aluminium spoon a conductor or insulator? If experimental findings are not reproducible what are they considered? Did Arthur sicard got another job before he nade the snowblower? A helium atom has 2 electrons in its first and only energy level. Would you predict that helium easily forms compounds with other elements? What does apatite smell like? Which insulators are used at home? What are two characteristics Andy Evans has? What is the importance of sensitivity and specificity in Public Health? Why do experiments need to be repeated to be valid? What unit is used to measure water? How many grams is 310 milligrams? What counties are part of the iberian penninsula? Describe the steps of the experimental method? When a gas turns to a liquid the energy of the particles? What is the difference between a mega deca kilo giga and a hecto?