Is the plastron shaped concave in male or female chelonia ?

If vegetable oil is made out of veggies, then what is baby oil made out of?

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above

Select all the correct answers. for a claim about the natural world to be considered scientific, what attributes must it have? a).it must be applicable to future events and occurrences. b)it must be based on scientific observations that can be repeated in a controlled setting. c)it must be open to modification if new evidence doesn't completely support it. d)it must be consistent with only a small portion of relevant observations or data.