Where do igneous rocks form?

only at the earth's surface

in outer space

either within the earth or at the earth's surface

only within the earth

What is the following best defines climate?

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.

How do specific cell structures and organelles contribute to maintaining homeostasis in the cell?