Which of the following statements does not describe regions

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

Give an example of a trait that is controlled by more than one gene.

Write the balanced chemical equation forphotosynthesis.