Tides are periodic rise and fall of the water level in the sea which occur at regular intervals twice a day.' Justify this statement by giving answers to the following questions. a) Differentiate between Springtide and Neap tide.
b) Analyze the position of the Sun, Moon, and the Earth during Spring tide and Neap tide.
c) 'The moon exerts a larger gravitational pull on the Earth than the Sun'. Why?

a) Define Biodiversity.
b) Define planetary winds.
c) Define Crest.
d) Write any two characteristics of Desert vegetation in the UAE.
e) 'Unscientific intervention of human beings deplete our environment.' As a student suggest two ways to protect our environment in a sustainable way?

Akbar's Land-Revenue System is described in the 'Ain-i-Akbari'.
As the tax was the main source of income, Akbar entrusted Raja Todarmal to devise a new and effective method of the land revenue system.
a) What was the name of that system?
b) How did he measure and divide the land as per this system? Evaluate

The Governors of the states of India have similar functions at the state level as those of the President of India at the Union level. As the head of the state Governor exercises several powers.'
a) Who appoints the Governor and how long does he remain in power?
b) Explain any four powers enjoyed by the Governor

answer:

d. because dr. laguardia selected a widely used measure, his study generalizes to has strong external validity. external validity has limited external validity. other applications of this measure.

the widely used measure that he applied to his experiment was the benton facial recognition test. it employed on to football players and as result, only players who suffered brain concussions did not pas this test. and although it has an external validity, it is limited because it isn't general to apply to other population.

two jet streams that directly affect the formation of weather in the continental part are a polar jet and a subtropical jet. they are responsible for the transportation of weather systems, which directly affect people. the polar front is the boundary between cold air from the north pole and warmer equatorial air. both the polar jet and the subtropical jet blow from the west to the east, and follow the boundary between cold and warm air.

the strongest jet streams are polar jets, while subtropical jets are somewhat weaker.

the right answer is c. the polar jet stream is generaly stronger than the subtropical jet stream.

swahili is an extremely rich and complex civilization, a set of ethnic groups articulated by a language and a series of cultural elements that fuse the african traditions, islam and indian culture. this growth was largely a result of the indian ocean trading network that brought in not just man-made riches, but also religious ideas, specifically islam, which had a significant impact on the local culture. furthermore, the development of the swahili language gave a common cultural unity to the people.