Answer:
1) Likeness: Likeness of members in a social group is the primary basis of their mutuality.
2) Interdependence: It is not possible for human being to satisfy his desire in isolation.
3) Cooperation: If the members of the society do not work together for the common purposes, they cannot lead a happy and comfortable life.
Answer:
Scientists have theorized that fugitive emissions of methane from fracking wells could make gas worse than coal pollution for the climate. Fracking wells also leak volatile organic compounds (VOCs), which cause asthma, cancer, and severe illness. ... The researchers pinpoint oil and gas development as the main source.
I think number 3. is: They allowed cities to export goods.
Answer:
genes
Explanation:
Certain people are born with genes that react differently than others thus causing food allergies.