An organelle that is not found in this illustration of a cell would be A. the cell wall
B. chromosome
C. mitochondria
D. the cell membrane

When a comet collides with earth, it adds material to our planet and causes great damage. therefore, a collision like this is a a. destructive force b. constructive force c. geologic process and event d. constructive and destructive force

Which of the following pairs of elements belong to the same groupa. h and he b. li and bec. c and pb d. ga and ge

Reaction rate depends on how many molecules are coming into contact with each other with enough energy to react. increasing the temperature of the reactants will increase -