11.   She said the oil had been broken down into small particles and was being absorbed by organisms at the bottom of the food chain.

12.   Very small particles are difficult to remove without filtration and may inhibit some enzymic reactions.

13.   A. Radiation is energy given off in the form of waves or small particles of matter.

14.   But near the lower reaches of the trip it encountered small solid particles that could have been rain, the scientists said.

15.   Clinging to the roots of the onions were small particles of gold.

16.   Even a mild sniff involves ingesting small particles of the item being smelled.

17.   For example, Iraq did not use the traditional method for making small particles.

18.   However, significant areas are cold enough and contain enough water vapor for ice particles to grow, provided small particles are already present.

19.   If it feels silky or smooth, the soil contains a lot of silt, which are small mineral particles.

20.   If a small particle cannot be easily removed by this technique, try washing out the eye with clean water.