A.) half - life of a radioactive substance is defined as the time during which concentration of the substance becomes half the initial value.
Answer: the distance of energy from point d to e
Balanced there are 2 Al, 6 oxygens on both sides.
It is 1 ounce. Bloodborne Pathogens can be transmitted when blood or body liquid from a tainted individual enters someone else's body by means of needle-sticks, human chomps, cuts, scraped areas, or through mucous films. Likewise, semen, vaginal discharges and salivation in dental methods are considered conceivably tainted body liquids.
