Which device is designed specifically to support and immobilize a body part in a desired position?

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.

Someone me with this: a mineral' is determined by its actomic structure.

Approximately what wavelength of light is best absorbed by chlorophyll a