"use c/e/r to answer the following: would iodine-131 be a useful isotope to measure the age of fossils? why or why not? to get full points on this, you must use actual data/numbers to prove your case."

could use an answer !

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

What is a general feature of a species that varies from one individual to the next (skin tone,eye color or hair color)? a.organism b.trait c.character

Achemical that is released by an animal as a signal to other members of the same species is called a pheromone. t or f