Which question can be answered by science?
a. why do paper bags look better than plastic bags?
b. should scientists be allowed to do genetic research?
c. how much pesticide is safe to use on plants?
d. how should you feel about using plastic bags?

C. how much pesticide is safe to use on plants.

Explanation:

Every other answer its used by science.

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…

if the type of the food available changes, then the frequency of beak types will change, because birds with beaks more suited to the available food will be more successful over time.