The image represents A COMPOUND because the molecules are BONDED CHEMICALLY.
A compound is a substance formed when two or more elements combine together chemically. In the process of chemical combination, the chemical bonds that were present in the participating elements will be broken and new chemical bonds will be formed in the product.
Answer:
In addition to aluminium, the main materials in duralumin are copper, manganese and magnesium.
It teacts with OH and makes water and salt
16(2)/74.1=.431
.431x100= 43.1%
B) Humus is the decayed organic material that gives soil its dark brown or black color.
