The best answer is A.) They can poison soil organisms, because pesticides contain chemicals that can be dangerous to plants.
Once the DNA of a person has been copied it can be compared to the DNA of other people by using PCR (Polymerase Chain Reaction).
Your teeth mash up the food, your stomach digests it, and your intestines absorb the nutrients. ... Those bacteriahelp your body to break down big foodmolecules into useable fuel. The bacteria also produce vitamins and help protect the body from diseases
In the soil, some ______ convert nitrogen to a form that can be used by plants.
prokaryotes
