Answer:
14. A catalyst can be changed chemically during a reaction.
15. A catalyst can be changed during a reaction.
16. True
17. homogeneous catalyst
18. True
19. true
20. likely to rebound without reacting.
21. False
22. The temperature at which the reaction is carried out.
23. inhibitor
24. Don't know
25. True
Explanation:
If you look it up on the internet u will get it.
Answer:

Explanation:
Hot springs and geysers are formed by the <u>heating of groundwater</u>. This is evidenced by the bursting of these natural phenomena, releasing heat.
Hepatitis A virus because when a=x it means y
Answer:
1) Oxygen, sugar, water and carbon dioxide are the main starting material and products of both photosynthesis and cellular respiration.
2) The diagram shows that cellular respiration which requires oxygen and sugar is the opposite of photosynthesis which requires water and carbon dioxide. The products of cellular respiration are the starting materials or photosynthesis and the products of photosynthesis are the starting materials for cellular respiration.