Which one of the following elements is found in nonliving systems but not found in more than trace amounts in living systems? a. hydrogen b. oxygen c. carbond. silicone. calcium

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

What is the name of the type of cell division that occurs in the prokaryotic cell cycle

1. seamount a raised footwall block between normal fault creates this 2. syncline break between rocks where a hanging wall rises relative to a footwall 3. hot spring on rolling hills, this a dip between hills 4. volcanic neck created when a block with hanging walls slips down between normal faults 5. caldera underwater volcano that never reaches above sea level 6. horst natural hot water on earth's surface containing many minerals 7. graben underwater volcano whose top is eroded flat by waves 8. crater less than a mile in diameter; looks like a bowl at the top of a volcano 9. guyot magma that filled the central vent that remains after the volcano has eroded 10. reverse fault over 1 mile in diameter; looks like a bowl over a volcano