Answer: Friction
Explanation: Sir Isaac Newton, a soccer ball on the grass will stay where it is unless acted on by a force.
<span>This includes about 3,000 species in North America. Biologists and naturalists believe that there are many more species of spiders still to be identified and named. The 35,000 species of spiders in the Order Araneae are grouped into three sub-orders and seventy different families.</span>
The biggest drawback to building green is the up front cost.
So the answer to this question is illustrated in the third option, stating "the up front cost". With the expensive and luxurious price tags on these green products lead users and consumers to believe that they become impractical.
I think that the answer would be C