PLSSS HEL I WILLL GIVE YOU BRAINLIEST PLSSS HEL I WILLL GIVE YOU BRAINLIESTPLSSS HEL I WILLL GIVE YOU BRAINLIEST PLSSS HEL I WILLL GIVE YOU BRAINLIEST Some of the oldest frog fossils date back to the period.

about 250 years ago

Explanation:

about 250 million years ago

Explanation:

It is the oldest member of the frog lineage known, and an excellent example of a transitional fossil. It lived during the Early Triassic about 250 million years ago, in what is now Madagascar.

supercell thunderstorms are perhaps the most violent of all thunderstorm types, and are capable of producing damaging winds, large hail, and weak-to-violent tornadoes

cell division is not regulated in tumor cells.