How much oxygen is contained in the atmosphere?
a. 20%
b. 21%
c. 22%
d. 23%

what is slowed when water is a limiting factor in an environment?
a. amount of evaporation
b. population growth
c. the types of rocks

the answer would be d

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…