When 1 carbon atom combines with 2 oxygen atoms, the resulting substance is called a(n) . A. The chemical symbol is always a single letter.
B. The chemical symbol always starts with the same letter as the name of the element.
C. The chemical symbol always begins with a capital letter.
D. The chemical symbol can be shared by more than one element.

Need an answer asap 45 points and brainlest to the first person to answer why do scientific theories, such as biological and chemical evolution, represent the strongest explanation of the changes observed in the fossil record. must be in sentence form how can scientific theories on evolution and the fossil record change over time? must be in sentence form

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

Fungi are classified into how many groups? a. 1 group b. 2 groups c. 3 groups d. 4 groups