Microorganisms that contaminate food are collectively referred to as 1) biological agents 2) physical objects 3) chemical contaminants 4) viruses

An easy way to calculate the amount of energy available at each level is to what?

If assuming tasting ptc as a simple gene trait,what other genotype would you select to put in this missing genotype box that could result in this phenotype

Brainliest ! which would require more force to move or slow down between a bowling ball and a soccer ball? explain why?