The element that is shiny in appearance quite dense and liquid at room temperature is

Working with si (metric) units for each of the following commonly used measurements, indicate its symbol. liter gram milliliter kilogram meter centigram milligram centimeter kilometer second millimeter milliseconds

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

Displacement is the slope of a velocity vs. time graph a. true b. false