I believe the answer is: The creation of national parks
Due to the conservation regulation from Theodore Roosevelt, The united states government founded 230 million acres of public lands that are resided for the creation of national parks. This parks were created to protect various forms of plants, animals, and natural resources reserves.
If Ken does not account for variables such as age that could also influence one's ability to recall these events, age could be considered a "confounding variable".
A confounding variable is an outside impact that progressions the impact of a dependent and independent variable. This incidental impact is utilized to impact the result of a experimental plan. Basically, a confounding variable is an additional variable went into the condition that was not represented. confounding variables can demolish an examination and deliver futile outcomes. They propose that there are connections when there truly are definitely not.
True, because it is relati to place
The Natives have to use the trees for making houses and making pens for livestock. it is very bad for the rainforest and could disappear in a 5 million years to turn into grassland.