Scarcity of resources and a growing populatin are most likely to result on?

How are mutations continually being generated in a population (what are some of the causes of mutatuions? ) explain

Achild is suffering from fever but the doctor cannot immediately pinpoint the alignment on the basis of this one symptom explain why also mention other two such general symptoms

Which of the following is the earliest era of earth's geologic time scale? cenozoic mesozoic precambrian paleozoic