The presence of fecal coliform bacteria in a sample of river water suggests which of the following? The pH of the river is very high.
The water is contaminated with animal waste.
The river is devoid of plant life.
The dissolved oxygen level of the river is high.
Fish caught from the river will be free of parasites.

Water is contaminated with animal waste

Explanation:

when a reversible reaction is occurring in both directions at the same rate; the products and reactants do not change in concentration. a chemical reaction where the compound is broken into its constituent parts.

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.