The picture represents sulfur trioxide.

which statement is true for one molecule of sulfur trioxide?

a.
there are three atoms of sulfur and one atom of oxygen.
b.
there are three atoms of sulfur and three atoms of oxygen.
c.
there is one atom of sulfur and one atom of oxygen.
d.
there is one atom of sulfur and three atoms of oxygen.

Click an item in the list or group of pictures at the bottom of the problem and, holding the button down, drag it into the correct position in the answer box. release your mouse button when the item is place. if you change your mind, drag the item to the trashcan. click the trashcan to clear all your answers. label the following topographic map. click on a label below the map to select it, and then click on the appropriate box on the map to place the label. (increments for contour lines is 50 ft).

Which type of neuron stimulates muscles to contract?

Which of the following are causes of evolutionary change? 1)genetic drift 2) natural selection 3) gene flow 4)mutation