Answer:
<h3>thats what I know please check if it's correct</h3>
Answer: <u>Carbohydrates, proteins, lipids, and nucleic acids. </u>
Explanation: The main four basic substances are carbohydrates (elements carbon (C), hydrogen (H), and oxygen (O), lipids, proteins, and nucleic acids. Which all happen to be organic compounds as well.
Hope this helps! :)
If he covered the 100m in 9.58 seconds, that's a speed of 100/9.58 = 10.44 m/s (which is 23.35 mph)
324.05 degrees K
To get from C to K just add 273.15
(3) both a chemical and a physical change can reach equilibrium. For example, an acid-base reaction can achieve equilibrium (chemical change), and a system can achieve dynamic equilibrium (phase changes from liquid to gas, for example), which is a physical change.