which evolutionary innovation was most significant in helping tetrapods move to dry terrestrial environments?

Trilobal fibers were found on kidnapping victim. which of the following fibers would most likely to be trilobat? a. cotton b. nylon c. wool d. silk me

Select all the true statements about the cosmic microwave background radiation

What kind of crystalline solid is graphite? o a. molecular solid b. metallic solid o c. network solid d. ionic solid