A system is contained by its boundary; therefore, the size of a system is limited by its boundary.
Answer:
cells make up tissues, which make up organs. organs make up organ systems which make up organisms
Explanation:
Answer:
Toxic chemicals is a major cause of water pollution. In most cases, the toxic chemicals came from the residual from production process after companies done making their product
Explanation:
Enzymes are biological catalysts. Catalysts work by lowering the amount of energy required to set off a chemical reaction.
