Do you think bike helmets should be mandatory for all bike riders? how would i put this in a bias question

Give an example of the type and scale of economic activity for a traditional economy.

Which of these terms are associated with communication between neurons? chemical signals, electrical signals, synapse chemical signals, synapse, neurotransmitters synapse, electrical signals, chemical signals synapse, electrical signals, neurotransmitters

It takes longer to fly an airplane against a with it