The most common food-borne illness in the United States results from infection. This infection is spread by contact with an infected person’s and feces. Using cleaning solutions that contain may reduce the likelihood of becoming infected with the pathogen.

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes

What methods do scientists use to predict volcanic eruptions? select all that apply

Chitin is a chemical component of the cell walls