What is the simplest negative particle in an a atom?

What is the use of saliva an example of? How many milliliter are in 20grams of gelatine? What is a period 4 transition element that forms a 2 plus ion with a half filled d sub level? Many pathogens injure the host by producing what? What is the difference between eastern standard time and ET? DDT is stored in the body fat and remains toxic for many years. Explain why these characterisitcs are undesirable in a pesticide? How many kilocalories are in a pound? How many liters are in 30 us gallons? Why does iron tend to form a bond with vanadium? Why Neptune sometimes farther from the sun than Pluto? Can we get rid of all microorganisms on our bodies? Is aluminum is poor conductor of electricity? What would have happened if the 1986 observations of Halley's comet had not supported Dr Whipple hypothesis? After donning your mask using the RSDL application pad what part of your body should you decontaminate next? Many experiments have controls. what can be used as control why is it ideal to have a control? How can gutters be optimized for rainwater collection? Before the second revolution who owned the land in Mexico? Is there a reason for some netsuke having holes in the back of them? What would you do if during sectioning the tissue has holes or rips in it? Is the word earthquake capitalized?