Low silica content,thick and fluid,forms dark colored rock.
elements are pure substances composed of only one kind of atom. An example that is present in the body is oxygen which is present in the lungs and also in the blood. Compounds are composed of different types of atoms which differ in ratio from one to another. an example is water. The two terms are different in structure and hence the properties.
The diploid number is restored when the two haploid cells combine to create a zygote. Basically when the sperm cell enters the egg cell and makes the offspring.