Match the following items. 1. Extremely small building blocks of matter.
2. Forming new matter from old matter.
3. Small bits of matter.

atom
molecule
chemical change

this allows people to make the best decision or pursue the best option. when alternatives are weighed using their advantages and disadvantages, the option whose disadvantages outweigh the advantages (based on a qualitative or quantitative analysis) are shunned while those whose advantages outweigh their disadvantages are pursued.  

radiation warms things up temp rises convection currents air circ windy weather