B migration, that is the answer
Answer:
This is biomagnification, and it means that higher-level predators-fish, birds, and marine mammals-build up greater and more dangerous amounts of toxic materials than animals lower on the food chain. In this activity you will explore the biomaginification of toxic chemical, mercury, through a simple marine food chain.
Explanation:
The transport of zebra mussels to the US took place involuntarily through the discharge of ballast water from European ships with contaminated cargo, in the 1980s, spreading across the Great Lakes region.
<h3 /><h3>Impacts on the environment</h3>
This freshwater mollusk can negatively impact the environment by filtering out algae that feed native species and clogging up water transport and storage systems.
Therefore, due to its high reproduction rate, zebra mussels spread rapidly and render water systems unusable, generating significant ecological and economic impacts.
Find out more information about zebra mussels here:
brainly.com/question/368887
Norma is denied a promotion because she is at risk of developing cancer.
