What situations are equal to 40

Where are the answers so I can eliminate

Step-by-step explanation:

New research shows how technology and experimental methods in science can always help and be of help when trying to find out the fine details and see how a theory should be updated and what is needed to be corrected in a certain hypothesis or theory. 

Dinosaurs they are termed as a diverse group of reptiles. They first appeared in the time of triassic.

After triassic and jurassic extinction event, dinosaurs became terrestrial vertebrates.