Which property of argon makes it useful for potassium-argon dating?

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

What is the main fuel source for the work of the cell

Fredrick griffith made a scientific discovery in 1928