Answer:
Chemical changes cause a substance to change into an entire substance with a new chemical formula. Chemical changes are also known as chemical reactions. The “ingredients” of a reaction are called reactants, and the end results are called products.
Explanation:
You didn't give us any options to choose from. However, based on my research, this is the correct order of the tempo markings from slowest to fastest:
1. largo - very slow
2. adagio - slow
3. andante - moderately slow
4. moderato - medium
5. allegretto - moderately fast
6. allegro - fast
7. vivace - lively
8. presto - very fast
9. prestissimo - as fast as possible
The only one correct answer would be:
c. Yellow or red hues in the soil indicate the presence of iron or aluminum.
You would need more than natural phenomena for a scientific theory because a theory is a proposed explanation whose status is still conjectural and subject to experimentation, in contrast to well-established propositions that are regarded as reporting matters of actual fact.