what sort of behaviour do we need to show towards our senior citizens or elderly people at home and community? write some of them that can be helpful to make them happier and more joyful

Which action allowed farming to be expand into west texas? a inventing a new plow b developing dry farming c increasing demand for cotton worldwide d declining of the cattle ranching industry

Which of the following is one of the innovations that neolithic farmers become more productive? a) plow b) windmill c) tractor d) reaper

How does cultural diffusion affect civilization