Can someone answer the question with a small paragraph please brainiest will be given

There are so many ways that you can help save our oceans, many of which involve small changes in your day to day life. If we reduce our carbon footprint, limit plastics, avoid products that exploit marine life, and spread awareness we can make a difference. The ocean is vital to our existence, and we should treat it that way.

a tetrad is the foursome during meiosis made by two homologous chromosomes that have each already replicated into a pair of sister chromatids.

a physical change is being made.