7. In a heterozygous person, which allele will actually be expressed (seen) in the phenotype? O dominant O recessive O both​

both... I think... Is there more context?

Explanation:

Hope this helped! Good luck! :)

good thing- during decomposition the organic molecules in organic matter are broken down into simpler organic molecules that require further decomposition or into mineralised nutrients

bad thing- it can be harmful in crop productivity

answer

crater lake was formed when mount mazama produced a large eruption and collapsed to form a caldera, which then filled with water forming a lake.