angelica angie asked 1/5/2016 I have to do a science fair project and I do not know what a object Is?
Anonymous asked 1/4/2016 Pure Zinc has a density of 7.14 g/cm and Pure Copper has a density of 8.92 g/cm. Can you use this information to determine the physical composition of copper pennies? Please answer! Show work please! Thanks!
Firstname Refreshme lastname asked 1/2/2016 Soon the US will be banning plastic micro beads in toothpaste and cosmetics... ( replaced with what ? )
Anonymous asked 12/28/2015 Nitrogen is present in abundance in the atmosphere even then we obtain it from plants. Give reasons?
Anonymous asked 12/1/2015 What is the determination of mass percentage of water organic matter and inorganic matter in leafy vegetables and root vegetables?
Anonymous asked 11/25/2015 If you knew that you'd be making a difference in the world if you became a sort of scientist, would you maybe?
