What is the most likely classification of soil in an ecosystem? A
an abiotic factor

B
a biome

C
a biotic factor

D
a carbon source

Kelly ran electricity though a sample of water using electrolysis. the water changed into two gases, x and y. it was not possible to break down the gases x and y into simpler particles.

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.

Can someone i have no idea of how to do this.