What is included in key waterways in the south during the civil war?

a. the mississippi, ohio, and tennessee rivers.

b. the great lakes and the mississippi river.

c. the ohio, tennessee, and columbia rivers.

d. the great lakes and the columbia river.

"The Mississippi, Ohio, and Tennessee rivers" are the ones among the following choices given in the question that is included in key waterways in the South during the Civil War. The correct option among all the options that are given in the question is the first option or option "A". I hope the answer has helped you.

B) transgenic organisms

Transgenic organisms are those organisms whose genome is incorporated with the foreign gene in order to manipulate or alter the genome. Such genomic manipulation or genetic engineering is done by using a micro injection which helps in incorporation or injection of foreign DNA into the fertilized egg of the surrogate mother. These mothers give birth to transgenic or genetically modified organisms.  

According to the above description, In a test lab, several mice are injected with the gene that causes fireflies to glow. The mice are best identified as transgenic organisms.