Which of the following questions is a scientific question?

A. Do yellow apples taste better than red apples?

B. Which contains higher levels of vitamin B- oranges or spinach?

C. Does asparagus taste better than brussels sprouts?

D. Are lentils a more enjoyable source of fiber than black beans?

Voltaic cells produce a positive overall charge. what does this indicate? a. the reaction is likely to be endothermic. b. the reaction is spontaneous. c. the reaction is not likely to occur. d. the reaction is not spontaneous.

Draw two cyclic constitutional isomers of cis-1

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.