Bacteria and restriction enzymes
,use enzymes to cut (and thereby destroy) foreign DNA (such as viral DNA), which would restrict the growth of the virus; own DNA is protected in some way (often by addition of methyl group CH3) to the sequence recognized by enzyme (thus preventing enzyme from binding there)
Just like the fields near Mt. St. Helen's returned back after a few years of ashes, many ecosystems find their way through the aftermath of a disaster.
<span>Soil degradation by human activity is a huge global issue since it deteriorates the soil and there is a reduction in quality of the soil and its productivity. The region that is facing this issue largely is Asia. This is the reason solving this issue is now an international agenda.</span>
