1. In the 1820s what did scientists think all dinosaurs really were

yes dinosaurs were there

Explanation:

some fossils and skeleton models were found as proof

option c is the correct answer.

kelp are large brown algae that live in cool, relatively shallow waters close to the shore. they grow in dense groupings much like a forest on land. these underwater towers of kelp provide food and shelter for thousands of fish, invertebrates, and marine mammal species.

e) all of the above