What? I don’t understand. Explain the question better and then I can answer it.
The biggest doubling time of all the regions/continents in the world has Europe.
Europe is the only continent that has almost 0% population growth (as of 2014), which practically means that with this pace Europe will need an eternity to be able to double its population, so it makes it the continent with the biggest time needed to double it's population.
Answer:
1) Desert, 2) Tundra, 3) Savanna, and 4) the Forests
Explanation:
Texture, shape, size, smell, design, and what tree or bush it grows on. Some may not be right but texture has to be correct like Fr.
Answer: C) Plant D
Explanation:
While the other plants are being tested on, the scientist(s) can always refer back to Plant D because there is no experimenting taking place.