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:
Answer: ACID
Explanation:on the Ph scale their is acids and bass' the loewer the Ph is hte higher the acid will be
In a study of the raw materials used for photosynthesis, the two molecules that would be studied are carbon dioxide and water. This is because they are the reactants of the process. Without these molecules the process of photosynthesis cannot happen.
