Someone has broken a bottle of cologne inside the locker room. Which of the following is NOT responsible for the strong smell of cologne in the neighboring classrooms? A diffusion
B concentration gradient
C protein transport molecules
D kinetic energy

i'd say that the moon rock is about 2.2 billion years old.

measuring light intensity

light meters can be used to measure light intensity. the meter is held at the soil surface and pointed in the direction of the maximum light intensity, and then the meter is read.

errors can be made when measuring light intensity by accidentally shading the light meter. the reliability of the results can be checked by taking many samples.

answer; synapse;