In 1998, paleoanthropologist rick potts, of the smithsonian, published an article in the yearbook of physical anthropology, a
peer-reviewed journal. the article was titled "environmental hypotheses of hominin evolution." in his paper, potts provided
evidence to support his claim that great variations in environmental conditions over time were responsible for the adaptability
of humans and the success of our species. why might this not be the best article to reference?

answer: although many types of viruses can cause a common cold, rhinoviruses are the most common culprit. a cold virus enters your body through your mouth, eyes or nose. the virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks. theres your answer

explanation:

propane is burned to provide the heat in many cooking grills. the chemical reaction for this process is shown in the equation below.

c3h8 + 5o2 ? 3 co2 + 4h2o + energy

what are the products in this chemical reaction?

3co2 + 4h2o + energy