The natural water sample contains only one type of bacteria.
Explanation:
AswerB
hydrogen, helium and lithium
It took 380,000 years for the electrons to be trapped in orbits nuclei forming the first atoms. (which is option B)
Blood, a fluid connective tissue, provides a transport system within our body for oxygen and other important substances. Cartilage provides strong support and connection for our skeletal framework. And the function of bones is to support and protect soft tissues and organs in our body.
<span>An important prelude to a greeting or opening line is often eye contact.</span>
