My acc is being deleted soon, here are some points. (I will start at 10 and go up, and before you ask, I was the one who requested for my account to be deleted)

Motorcyclists may have to suddenly change direction when encountering a. potholes and reflective markers b. yellow lights c. pavement seams and railroad crossings d. strong winds

Territorial insects like spiders that fight off intruders would be expected to be

Iron pyrite (fes2) is the form in which much of the sulfur exists in coal. in the combustion of coal, oxygen reacts with iron pyrite to produce iron(iii) oxide and sulfur dioxide, which is a major source of air pollution and a substantial contributor to acid rain. what mass of fe2o3 is produced from 84 l of oxygen at 3.41 atm and 148◦c with an excess of iron pyrite? answer in units of g.