Number 20 is Cutting Down large amount of trees i'm not sure of 19 but I think it is
either b or a But im pretty sure it is c and not sure of 18
Answer:
or 
Explanation:
Number of longitudes on Earth = 
In one hour the Earth rotates 
So,
takes 

Since the longitude is in the East the time difference will be added.
So, if it is noon in Greenwich the time at 100 degree East will be
or
.
Answer:
well for me I think
Explanation:
it's a good idea it's part of the tactics
Health psychologists are most likely to define health as an attainment of a positive state of wellness, involving psychological, social, and biological factors - not merely "the absence of disease."
They focus on the behavioral and lifestyle components in the development of chronic diseases, and also attempt to help people cope with stress, pain, and chronic disease.
Answer:
I believe it is to avoid military conflict, and still getting North Korea to change their Nuclear Weapon Policies and to stop North Korea from all spending on their military.
Explanation:
North Korea seemed to spend a lot of what they have on the Military. Foreigners to North Korea, that were for the most part, part of NATO wanted to help that happen without getting into some sort of nuclear conflict. They also wanted to change nuclear weapon policies, as the START treaty was in place between the US and Russia during Obama's first term of presidency I believe, and at the time leader, and current leader, Vladimir Putin has grown to like. So they wanted to talk to North Korea about it too.