An insect is able to walk across the surface of a pond without sinking because of a. surface tension of the water b. process of evaporation c. polarity of the water molecules d. adhesion of the insect's feet to the surface of the water

Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise? 1.b,2.c,3.a,4.d

The scales shown in the introduction measure mass, or the amount of matter in a particular object. the scientific law of conservation of mass states that matter cannot be created or destroyed during a chemical reaction, but it can change from one form to another. did the simulation support this scientific law? explain why or why not.

Which organism in this food web is an omnivore?coati