Evolution is a theory because Your we are not sure if it is true there's not enough evidence yet scientific theories are supported by a large amount of evidence d)none of these is true

Can someone me with this and tell me what’s fracking and what does it have to do with carbon, carbon dioxide, or fossil fuels?

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

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.