Six essential elements of geography. World in spatial terms, places and regions, human systems, physical systems, geography and its uses, and environment and society. HOPE THIS HELPS
Whoch birds are migrating is my answer because, for a the birds are migrating because its winter for c birds are already going since one of the questions are where the birds are going, and d is that they are going there to not freeze, the only logical choice FOR ME is B
The Sikhs are the ethnic groups who wanted a separate state of their own. The Sikhs are a follower of Sikhism. It is a monotheist religion in the Punjab region of India. During 1940s, the Sikhs worried that their community would be left without a homeland thus they push through the idea of Khalistan, seeing it as a small state that is a part of Punjab region.
In this circumstance one should revise the hypothesis and develop a new experiment to test it.An example could be the theory of Agraham Gottloeb Werner that all rocks were precipitated from water including not just sedimentary rocks but also volcanic, plutonic and metamorphic rocks. The more the earth was studied, especially by James Hutton in Scotland, the more it became obvious that granites for example were deposited in a molten state, thus disproving that hypothesis or theory.