Smita wants to find new ways to recycle materials. which field of study would be most useful to her? a. meteorology b. chemistry c. microbiology d. zoology

Option B

Explanation:

The chemical properties of a material play a very important role in recycling and reusing any thing.

For instance - if a plastic on melting transforms into a form which cannot be re-converted into its original form, then such plastics are not reusable materials

A recyclable material must be able to regain its original molecular structure and size though physical processes such as heating, melting, remolding etc.

hence, option B is correct  

the correct answer is: d. the saltine and pretzel are made of flour, yeast, and baking soda, and salt. the pecan contains no flour but it does contain fats. the pecan is a nut that can be consumed as a healthy snack. first of all, pecans are a source of fat (monounsaturated fat), but they provide less fat than some other nuts. pecans are a rich source of dietary fiber, manganese magnesium, phosphorus, thiamin, vitamin e…