It pollutes the air and can get people killed by cave in's.
Answer:
The footprints at Laetoli were remarkably well-preserved because: they were made in an ash slurry that quickly hardened and were then buried by volcanic ash soon after they formed .
Explanation:
Laetoli -
It is the archaeological site present in the region of northern Tanzania .
In this site the footprint of the ancient humans are preserved , because of the volcanic eruption .
Around 3.85 million years ago , a volcanic eruption took place , and due to the ash fall of the eruption , the foot prints of the ancients got preserved .
The author suggests that anthropology is unique among other disciplines such as economics or history because our perspective begins with statistics.
<u>Explanation:</u>
- Anthropology means the study of human and their development.
- The study of humans may differ from place to place. This is study is based on the statistics.
- Statistical data can be analyzed and they can be found to which period this material belongs to. Due to this history can be found.
- From the History only Economics can be found. Statistical data place a major role in creating the history and the economic status of material, country or even the whole world.
- In the world everything as its history.
<span>energy efficiency is usually obtained through : D. all of the above
- Technology : Will create an alternative that could increase the efficiency of energy usage
- Increased Funding : Will speed up the research process for the technology to achieve that efficiency
- Government : Will play an important role in allocating the energy usage guideline to the people</span>
