Generally speaking, there are two types of substances; acids and bases. Bases tend to be alkaline and have a higher Ph while acids are acidic and have a lower value on the Ph scale.
Answer:110.25 m
Explanation:v^2 = u^2 + 2as
21^2 = 0 - 2*2*s
s = 441/4
s=110.25 m
The answer is b) false. Stars are mainly classified by their spectra (the elements they absorb) and their temperature.
Answer:
Fatty acids.
Explanation:
-Long term energy storage is stored in the form of triglycerides .
-They are efficient storing molecules. They are more efficient thatn glycogen(cabohydrates).
-Fatty acids are more calori dense hence them being ideal for long term energy storage.