Answer:
Triassic
Explanation:
The period between the extinction of the dinosaurs and the present day is called the Age of Mammals or Cenozoic
I think it's either A or D
Answer:
Soil is not a renewable resource, but a non-renewable resource, because it takes up to millions of years for soil creation. The breaking down of rocks and other matter is responsible for the creation of soil. Soil is non-renewable because a constant source is not readily available
I think your answer is D.) Labor Unions although if this is incorrect please let me know so I can research more on the subject.
People with similar physical characteristics--to seek comfort people will find others who look similar to them to create immediate common ground.
This tendency in humans explains why people tend to seek out homogeneous groupings. We seek what we know and therefore we are most comfortable. This behavior can be exploited to create the 'isms' of society like racism or sexism. <span />