Why it is important to learn new things?

What is the name for the bits of ash and dust put into the air by certain kinds of diesel engines? Name the scientist who discovered oxygen? Every month you do a ovulation test it always says im not ovulating but you were going through ivf with your previous partner due to his infertility so was tested and they said you ovulate normally? What as a general rule have the largest populations because they have the most energy available to them? What twice daily event would cause water levels around Jamestown to rise and cause wells and fresh water stream to become brackish? What is a one fluid model in electricity? Why is the fulcrum in pliers so close to the load? What happens if you microwave gorilla glue? What is a water trough in laboratory? Use the word spoil in a sentence? 3.28 feet in a 1 meter? Why might a scientist need to repeat a step i scientific methods? Why when placed in a glass tube water touching the glass is pulled slightly upward? How are tornadoes categorized? Do oil companies give back to the community? What will happen if any one of the components on which plants depend upon is missing? How can you tell if a force is balanced or unbalanced by looking at it? What are different types of prejudice? What layer of skin contains sensory receptors for touch? What is the perimeter of a piece of A4 paper?