Sand , water , and minerals
The nucleus contains most of the genetic material, or DNA, of the cell.
The most common cause of anemia is iron deficiency.
Answer:
There are many ways scientists can gather evidence to learn about Earth's interior including direct evidence from rock samples and indirect evidence from seismic waves.
also
1. Seismic waves and earthquakes
2. Volcanoes
3. Principles of density
4. Earth is magnetic
Explanation:
