Which fronts are shown?
item a shows a cold front, and item b shows a warm front.
item a shows an occluded front, and item b shows a cold front.
item a shows a warm front, and item b shows a stationary front.
item a shows a stationary front, and item b shows an occluded front.

What was the effect of the industrial revolution on the working class ?

Tori is researching for her blog post about how wearing sunblock can prevent skin cancer, and she finds a page about her topic on the united states centers for disease control website at is this a reliable site for tori’s research? yes, because it is presented by a college or university no, because it is a personal opinion about the subject yes, because it is run by a governmental organization no, because it is intended to advertise a certain product

Which two statements correctly describe how historians place their arguments in historical events?