Down Syndrome is a condition in which a person inherits three copies of chromosome number 21. Which of these represents the total number of chromosomes found in one body cell of an individual with Down Syndrome?

sodium i think the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.

the main thing i would use is bricks because if there is a hurricane, there is a great possibility for the house to still stand. and i would also use plexiglass windows instead of regular windows because plexiglass isn't prone to breaking.