Which of these describes a human activity that uses up a non-renewable resource? building new roads that cause topsoil to erode

chopping down trees from the forest for heating homes

car engines consuming large amounts of fossil fuels

pollutants on roads washing into streams during rainstorms

What is the standard unit of measure for acceleration?

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.