Oxygen is formed at the positive carbon electrodes. Explain why the positive carbon electrodes must be continually replaced.
[3 Marks] Any help?

Which of the following provides support and protection for many insects a) muscle b) skeleton c) spinal cord d) exoskeleton

Draw any one of the skeletal structures of a 2° alkyl bromide having the molecular formula of c6h13br and two stereogenic centers. indicate chirality by using wedge and hashed wedge notation. lone pairs do not need to be shown.

Which would freeze at a higher temperature: the great salt lake or lake tahoe? a. lake tahoe would freeze at a higher temperature. b. the great salt lake would freeze at a higher temperature. c. both lakes would freeze at the same temperature.