I believe the answer to this question is yes it is but i am not positive <span />
You could make sure before you leave an area to get all seeds off your cloths before heading to somewhere where the plant doesn't grow.
Many things can occur such as an increase in temperature.Which would then result in greater/destructive natural disasters. Temperature would cause either droughts or floods in certain places as well.
The given values are 14,000 sample size and 5% p-value. Statistical significant results are achieved when p-value is less than the significance level. This shows a 95% confidence of results in the samples. The rejection region is composed of 5% of the sample distribution.
