A. Equinoxes
B. Tsunami
C. Spring tide
D. Neap tide
Explanation :Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun, and the rotation of the Earth.
A. Equinoxes
B. Tsunami
C. Spring tide
D. Neap tide
A. Lhasa
B. Takh
C. Niagsu
D. Komic
A. Cabot
B. Amundsen
C. Robert Peary
D. Edward Jenner
A. England
B. Greenland
C. Himmalyas
D. Antarctica
A. Geographic grids
B. Longitudes
C. Equators
D. Hemispheres
A. England
B. Australia and Sweden
C. Finland and Sweden
D. Greenwich and Australia
A. 365.25 days
B. 340 days
C. 325 days
D. 360 days
A. 2.2 g/cm3
B. 3.2 g/cm3
C. 4.5 g/cm3
D. 5.5 g/cm3
A. Outer mantle
B. Liquid outer core
C. Lower crust
D. Outer crust
A. 2,130 km
B. 2,750 km
C. 2,500 km
D. 2,250 km