A: an ecosystems organisms become larger as succession
To be more correct, the left side is alkali metals
Enzymes are catalysts for reactions Their activity (how well they work) increases and decreases with temperature
<span>Enzymes
These are characterized by macromolecular natural impetuous with catalysts that quicken synthetic responses. The particles where upon proteins may act are called substrates and the chemical changes over the substrates into various atoms which are their by products</span>