Answer:“If we’ve covered all of the potential sources, and we know the unique signature of the sand from these different sources, and we find it on a beach somewhere, then we basically know where it came from,” explained Barnard.
Explanation:
Physical properties can be observed or measured without changing the composition of matter. These are properties such as mass, weight, volume, and density. Remember that density is a physical property.
Answer:false you are welcome
Explanation:
The person who has fewer villi absorbs fewer nutrients. This is a principle of gastric bypass surgery(weight loss surgery).
