If it took 1 second for a bat to detect the ultrasound, how far away is the prey?

How do accessory pigments chlorophyll?

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.

With the word calcite wich completes the analogy mineral, erosion, marble, or aragonite