Tomato seed germination experiment theory

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

Which number represents a basic ph, 4 or 9? numerical answers expected! answer for blank 1: i'll give

Which of these correctly describes the difference between processes that take place in prokaryotic and eukaryotic cells?