If we invest technology on electric energy, it will be cheaper.
Answer:
Appalachian Mountains
Black Mountains, mountain range in Yancey and Buncombe counties in western North Carolina, U.S., part of the Appalachian Mountains extending north from the Blue Ridge. The range includes Mount Mitchell (6,684 feet [2,037 metres]), the highest point east of the Mississippi River.
Explanation:
There are multiple possible answers. One is that it's mouse droppings since mice like to eat it. Another is that it's bugs and this is dangerous since they can leave larva there. The third is that they are remaining residue traces from other types of oats that were ground together and in this case it is not that dangerous.
Gpd means gross domestic product