Which of the following statements is valid? A Relative mass is the weight of one atom of an element.
B Relative mass is the mass of one atom of the element as it compares to 1/12th of an atom of
carbon.
C. Relative mass changes with the planet is measured on.
D None of the statements listed above are true.

Which experiment would most likely contain experimental bias ?

Ascientist wants to determine the effect of a new type of gasoline. he fillsone car with normal gasoline and another identical car with the new gasoline.which is the control group? a. the new type of gasolineb. the car with the normal gasolinec. the car with the new gasolinethe amount of gasoline usedd. the amount of gasoline used

During endocytosis, cells expel what they don't need take in what they need shrink due to loss of water