Downcycling is defined as:
a. lower grade of recycling
b. lower grade of plastic due to recycling

b. lower grade of plastic due to recycling

Explanation:

Downcycling is a term that, in free translation, means "downward recycling". This is a recycling process in which certain material is used to make a new product, but of less value than the original product. For example, downcycling refers to a lower degree of plastic due to recycling.

Downcycling is a technique that enables the reduction of waste generated by humans, directing waste to recycling and ensuring responsible reuse of materials. This is a process that enables better management of natural resources, preventing more raw material being extracted from nature.

so we know the answer cannot be c because no insect or animal starts as an adult

the answer is a. a swimming larvae

because since they are sea animals they automatticaly have to know how to swim they cannot just sink to the bottom

sorry if this is the incorrect answer.