In what type of reproduction do cartilaginous fish lay eggs?
Oviparous
Ovoviviparous
Viviparous
No answer text provided.

What is the 77 element on the periodtic table

Nucleic acid certain protein cell membranes certain carbohydrates

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form