If a carbon atom is bonded to 2 hydrogen atoms and 2 carbon atoms, what type lf bond must exist between the carbon atom

Select the word from the list that best fits the definition the temperature to which air must cool to be saturated

Which of the following must be true for a fossil organism to be useful as an index fossil? a. the fossil organism must be widespread geographically. b. the fossil organism must be abundant. c. the fossil organism must be limited to a short span of geologic time. d. all of the above.

What is the purpose of presenting a false dilemma in a speech?