The answer is 2. no plants or widely spaced plants.
The answer is true or A which ever you prefer
Answer:
multiple variables
Explanation:
Multiple variables entails that there may be more than one dependent variable and/or independent variable.
Such always comes to play out if you are conducting an experiment with multiple stages or sets of procedures.
In such type of experiments, there may be more than one set of measurements with different variables.
They are likely to reason out that the third world nations are undeveloped because of their lack of modern economic activities and they are not well introduced to new techniques or machines that have made them to lack and to be underdeveloped than other world nations.
