Sum of all ecosystems is classified as___________?
Sum of all ecosystems is classified as___________?
		A. Aero sphere
B. Ionosphere
C. Biosphere
D. Ozonosphere
Sum of all ecosystems is classified as___________?
		A. Aero sphere
B. Ionosphere
C. Biosphere
D. Ozonosphere
A. 451
B. 453
C. 455
D. 457
A. Uranus
B. Saturn
C. Venus
D. Mercury
		A. Acceleration
B. Displacement
C. Speed
D. Force
A. Pitutary glands
B. Islets of Langerhans 
C. Hypothalamus
D. Spleen
		A. Kepler
B. Rebelais
C. Francis Bacorr
D. Gutenber
The Renaissance scientist who explained how planets moved around the sun was Kepler. Johannes Kepler was a German astrologer, astronomer and mathematician who played a significant role in the scientific revolution of the17th century.
The Beta particles are fast moving___________?
		A. Protons
B. Electrons
C. Neutrons
D. None