<em>enzymes are protein in nature and they are actually the catalysts ..their function is to speed up the chemical processes taking place in the cells different enzymes like protease , transcriptase work on their specific functions and make the cell functions run faster ..</em>
Answer: The thoracic cavity is separated from the abdominopelvic cavity by the diaphragm. The thoracic cavity is further separated into the pleural cavity which contains the lungs and the superior mediastinum which includes the pericardial (heart) cavity.
Explanation:
A. Burning natural gas
A liquid changing to gas is called boiling or evaporation.A gas change into a solid is called deposition and a gas changing into a liquid is called condensation.half of these are endothermic, meaning they absorb heat from their surroundings.the others are exothermic,meaning they release heat. Hope this helps
D: using a color reference chart :)
