List at least three ways, as a consumer, you can help reduce negative environmental impacts from the things you buy. VERY URGENT

USE COMPLETE SENTENCES

How can scientists test their ideas about the origin of the universe if they can't physically interact with or study?

The first signs of cellular differentiation occur in the blastocyst. why is cellular differentiation important for the development of a fully formed human infant?

Which best describes meiosis? a. it produces cells that are identical to the original cell b. it is responsible for the replacement of damaged skin cells c. it is responsible for growth of the organism d. it produces male and female sex cells