It indicates how many times the base is taken as a factor

Which statements about the two fossil images are correct? 1. cave bears are ancestors of plateosaurus. 2. plateosaurus were present on earth before ostracoderms. 3. ostracoderms were the first to die. 4. plateosaurus died after the ostracoderms. 5. cave bears are the oldest fossils.

What did pavlov initially notice about the animals in his original research after conditioning took place?

What are the two main purposes of edgar allen poe’s, “the masque of the red death? ”