Other than bacteria, which factor leads to nitrogen fixation?
a. lightning b. flood c. rain

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A. Lightening

The energy produced by the natural lightening process breaks down the nitrogen molecules present in the air into atoms that combines with the oxygen present in the air results in the formation of nitrogen oxides. These nitrogen oxides combines with the rain water forming the nitrates. These nitrates gets deposited and absorbed by the soil. These nitrates makes the soil fertile.

i do not know and i have a 100 in this class

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…