Why is the prevention of epidemics usually easier than the prevention of pandemics

What best describes lactic acid fermentation?

Iguanas need to live in a habitat that is very warm, so the pet store warms their enclosures with "basking lights" which act as an artificial sun. describe how the three methods of thermal energy transfer may take place within the iguana's enclosure.

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.