I would say,
Aa.
Please mark brainlist.
And sorry for the user below ..☺☻
 
        
             
        
        
        
C3H2H4- Imidazole-Organic compound
AlBr3-Aluminium bromide- Inorganic
C6H5F-Fluorobenezene-Organic
Cro3-chromic acid-Inorganic
H2O2-Hydrogen peroxide-Inorganic
C12H22O11-Sucrose- organic
Basically when a compound contains carbon atom in it its said to be organic.
 
        
                    
             
        
        
        
Answer:
In this way, the tree of life is a symbol of a fresh start on life, positive energy, good health and a bright future. As a symbol of immortality. A tree grows old, yet it bears seeds that contain its very essence and in this way, the tree becomes immortal. As a symbol of growth and strength.
Explanation:
The Tree of Life symbol represents our personal development, uniqueness and individual beauty. Just as the branches of a tree strengthen and grow upwards to the sky, we too grow stronger, striving for greater knowledge, wisdom and new experiences as we move through life.
 
        
             
        
        
        
The correct answer is frequency.
The pitch can be defined as the quality of sound produced by the rate of vibration producing it.
It is directly related to the the frequency of the sound wave. If the frequency is increased then its pitch will also increase and vice versa.
As for normal people it is a bit difficult to differentiate between the two but the musician are trained so they can differentiate the difference between the two even if the difference is 2 Hz
 
        
             
        
        
        
X - linked traits appear more often in males because males only have one x chromosome. One copy of an x - linked trait is all that a male would need to possess that trait. Females have two x chromosomes, so they would require 2 copies of the x - linked trait in order to possess it.