The columns below represent rocks from different geographic regions. Each layer within a column represents a brief period of time.

Identify which fossil, A, B, C, or D is the best index fossil. Use one piece of evidence from the diagram to support your answer. Short Answer (2 points)

Which feature of a heating curve indicates a change ofn state

Which of these statements is true? a. quarks pair with leptons to form protons and neutrons. b. quarks pair with bosons to form photons. c. quarks pair with photons to form protons and neutrons. d. quarks pair with other quarks to form protons and neutrons. e. quarks pair with electrons to form protons.

Name the non metal condut electricity