What is one reason why the expansion of the railroads caused prices of products to drop during the gilded age?
railroads provided transportation for products to markets in rural areas of the south.
railroads provided cheap and fast transportation for both raw materials and products.
railroads provided fast transportation of raw materials to ports for overseas shipments.
railroads provided expensive but fast transportation of raw materials and products.

What is the evidence that depression can be linked to genetic as well as environmental factors? a. all individuals in similar stressful environments do not experience depression. b. all individuals with the gene variation tied to depression do not experience depression. c. individuals with a combination of environmental stress and gene variation are more likely to experience depression d. all of the above select the best answer from the choices provided оа 0 0 0