1.Why do scientists pick up ash and lava? to be dangerous
to be cool
to study them
to clean up

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d. a round-trip ride to school and back

Any sound above what db can cause hearing loss in human beings

The carrier molecules of the electron transport system are located in the