Which of the following describes a competitive relationship between two organisms?

What color would an object that reflects green and blue light appear to be in white light? a. blue b. cyan c. magenta d. black

True or false when elements combine to form a mixture, the resulting chemical properties may be very different from those of the elements that make it.

Which of the following situations is impossible? a) an object has velocity directed east and acceleration directed east. b) an object has zero velocity but non-zero acceleration. c) an object has constant non-zero velocity and changing acceleration. d) an object has velocity directed east and acceleration directed west. e) an object has constant non-zero acceleration and changing velocity.