Brief account on 3 R’s to save the environment. What do they refer to? Its importance in the sustainable use of resources. Give your own opinions and ways.

you must remain stopped until the stop signal is retracted and the red lights are turned off. approaching traffic in the opposite roadway of a divided highway shall not be required to stop, even if the school bus has the stop-arm extended and the alternately flashing warning signal lamps on.

1. what is the relationship between the shape of an enzyme and the reactions they catalyze?

2. how does an enzyme inhibitor work?

separate your answers so i dont get confused : )

protistas excret ethanol used in the manufacture of vinegar