The main idea of this paragraph is that the rocks cannot be explained by science, that there is a mystery to them. This sentence contributes to that idea because it gives a specific example of one of the odd things about the rocks. Because they are on a flat surface they should not roll or move on their own, but the fact that they have a trail behind them shows that they have somehow moved. This supporting statement is then supported by more details about the trails.
Creating a biosphere reserve is the most effective way to conserve a diversity of an area.
Making a biosphere reserve is the best strategy to conserve a region's rich variety of plant life. Ex-situ conservation techniques, in which organisms are removed from their original habitat, include seed banks, botanical gardens, and tissue culture.
Purchasing fewer products and ensuring sure the ones you do purchase have a minimal impact on biodiversity investing in initiatives that advance biodiversity reducing waste of consumer products, such as food, clothing, electrical equipment, etc.
For our health, wealth, food, fuel, and other essential services, biodiversity conservation the discipline of safeguarding and preserving the abundance and variety of species, habitats, ecosystems, and genetic diversity on Earth is crucial.
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1. There are lines for singles or doubles players
2. You have to serve behind the service line
3. Left side is odd while the right is even for scoring
THEY look much better than the others - would be appropriate if you were referring to both a person and an object.
THOSE look much better than the others - would be appropriate if you were referring to an item not a person.
I am not sure but hope this helped.