I never read it about so I can not answerd that.
Sustainability is important for a very simple reason: we cannot maintain our quality of life as human beings, the diversity of life on earth or earths ecosystems unless we embrace it. In order to have healthy communities, we need clean air, natural resources, and a nontoxic environment.
To be honest, I'm not entirely sure if it would be considered a complete sentence or not. Technically speaking it has a subject and a verb, but I don't know if it has a complete thought. I think it should read: The clouds looked dark.
The answer to this passage is number 2. He talked about surrendering so that his people will be safe and healthy even though it means he will lose his freedom. I hope this helps!
The real biological terms are
Polysaccharides for starch
and
<span>Monosaccharides for "sugar"
NOTE table sugar is considered a </span><span>Disaccharides</span>