The right answer is DNA is located in the nucleus.
The genome is the whole genetic material of an organism. It contains both the coding sequences, i.e. those that encode proteins, and the non-coding sequences. In most organisms, the genome is the DNA in the cells. However, in some viruses called retroviruses (eg HIV), the genetic material is RNA.
The crust is not magnetic near the ocean ridges
A proposed explanation for a wide range of observations and experimental results that is supported by a wide range of evidence. ... Most factors are held constant in a scientific experiment because you can only change one factor in an experiment so if you notice something, you'll know what caused it.
