Why is carbon important for forming these complicated molecules

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 most appropriate method of gaining weight (muscle mass)

Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone