Which of the following are examples of short-term, human-induced environmental changes? Select three answer choices

Which best explains why viruses do not have special structures or enzymes that allow them to make their own food? viruses can use energy in living cells that they infect. viruses can replicate inside a host that they infect. viruses can cause contagious illnesses in host cells. viruses integrate their rna or dna into infected cells.

What is the name for a substance formed in a chemical reaction

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false