Enzymes are specialized proteins that speed up chemical reactions, biological catalyst.
Answer:
A) Plants fix carbon and release oxygen, and animals release carbon and use oxygen.
Explanation:
Plants take in carbon dioxide and release oxygen into the air. The animals take in oxygen and release carbon dioxide.
Nobody really it just developed <span>from Old Norse uggligr which means ‘to be dreaded, and from ugga ‘to dread.’ and they finally made ugly</span>
Answer:
The safety and effectiveness of vaccines are under constant study. Because vaccines are designed to be given routinely during well-child care visits, they must be extraordinarily safe. Safety testing begins as soon as a new vaccine is contemplated, continues until it is licensed, and is monitored indefinitely after licensure.
Explanation: