What are the two theories of population?

What are the two theories of population? The theories are: 1. The Malthusian Theory of Population 2. The Optimum Theory of Population 3. The Theory of Demographic Transition. What are the three basic phases of population growth? They are: (i) the high stationary phase marked by high fertility and mortality rates; (ii) the early expanding […]

What was the conclusion of the gold foil experiment?

What was the conclusion of the gold foil experiment? Rutherford’s gold foil experiment showed that the atom is mostly empty space with a tiny, dense, positively-charged nucleus. Based on these results, Rutherford proposed the nuclear model of the atom. Why was gold foil used in Rutherford’s experiment? Rutherford used gold for his scattering experiment because […]

At what altitude is 0 gravity?

At what altitude is 0 gravity? Near the surface of the Earth (sea level), gravity decreases with height such that linear extrapolation would give zero gravity at a height of one half of the Earth’s radius – (9.8 m·s−2 per 3,200 km.) Which force is always attractive in nature? gravitational force Why gravity is not […]

What are contour lines for Class 7?

What are contour lines for Class 7? (i) Contour lines are isolines of height. (ii) These are drawn by joining the places of equal altitude. (iii) These help in identification of land forms and their altitude from sea level. (iv) These lines also help us to understand the nature and direction of the slope. What […]

Does AP Gov have DBQS?

Does AP Gov have DBQS? Here are the four types of FRQs you’ll get on the AP Government exam: Concept Application (3 raw points) Quantitative Analysis (4 raw points) SCOTUS Comparison (4 raw points) Is Apush harder than ap gov? AP Gov is loved and coveted, we mostly have political discussions and the teacher is […]

What does velocity relative to the ground mean?

What does velocity relative to the ground mean? The velocity of the object measured relative to the ground is called the ground speed. Again, this is a vector quantity. Airspeed is the vector difference between the ground speed and the wind speed. On a perfectly still day, the airspeed is equal to the ground speed. […]

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