4.5 Types of Sources: Check for Understanding

Look at the article,  Climate Poses Risks To Big Oil. Literally. An industry facing legal and reputation challenges from climate change is now grappling with extreme weather, and determine what type of source it is.

Look at the article,  No time to rest: How the effects of climate change on nest decay threaten the conservation of apes in the wild, and determine what type of source it is.