1. A scientist tests a small section of a carrot root to determine which molecules were present. The basic results showed that the molecules contained carbon, hydrogen, and oxygen, with some arranged in a ringed pattern, providing structure and energy to the root. What inference can be made from this data? A) The molecules are a type of carbohydrate
B) The carrot root is mainly composed of proteins
C) The carrot contains some type of sugar
D) Both A and C are correct
2. Which of the following is an element found in all organic compounds?
A) Protein
B) Zinc
C) Iron
D) Carbon

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .

What element is able to combine with itself and hydrogen to form large molecules ?

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