Expand it?
I haven't watched the documentary yet so. Sorry
Answer: Research and development or Read and draw.
Explanation: Research and development, known in Europe as research and technological development, is the set of innovative activities undertaken by corporations or governments in developing new services or products and improving existing ones. ( you can find this on Wiki) Now for school teachers using R&D meaning Read and Draw, another way to get info faster and better, its mostly "Back to Text" though. Hoped this helped! :D
The answer for this question is: Appalachian
The Appalachian region has the perfect temperature that allows many type of vegetations to grow.
Not only that, the soil in this region also contained a lot of substances that are very nutritious for plants and could very much help in their growing development.
Answer:
diffusion
Explanation:
They expanded their beliefs through diffusion
<span>Environmental variation. Our genetic make-up,
the sum total of our genes, is called a genotype, but the
characteristics which show up in our appearance are called a phenotype.
Genotype and phenotype. Genetic variation gives rise to differences between individuals that are inherited.</span>