1. natural selection acts on existing traits because you can not evolve into something you didn't have
2. original structures evolve to accomplish new function in order to survive
Answer - Ground water erosion is a type of carbonic acidic water. That goes into the holes thru the soil and pretty much cracks thru rocks.
The term “carpetbaggers” refers to Northerners who moved to the South after the Civil War, during Reconstruction. Many carpetbaggers were said to have moved South for their own financial and political gains. Scalawags were white Southerners who cooperated politically with black freedmen and Northern newcomers.
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Answer: Hi!
An lactobacillus is a rod-shaped bacteria that produces lactic acid from the fermentation (the breaking down) of carbohydrates. Carbohydrates (also known as carbs) can be found in most food made with bread or dough along with some other foods with starches, like breads, pasta, noodles, etc.
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