Which of the following planets have the longest day?
Which of the following planets have the longest day?
A. Jupiter
B. Mercury
C. Earth
D. Venus
Which of the following planets have the longest day?
A. Jupiter
B. Mercury
C. Earth
D. Venus
A. Pituitary
B. Pancreas
C. Thyroid
D. None
Sedimentary rocks are__________?
A. Porous
B. Hard
C. Rough
D. Brittle
E. Volcanic
A. Current
B. Lens
C. Force
D. Focal Length
A dioptre is a unit of measurement of the optical power of a lens or curved mirror, which is equal to the reciprocal of the focal length measured in metres. (1 dioptre = 1 m−1.) It is thus a unit of reciprocal length.
Which gas was discovered on the sun about 151 years ago during total solar eclipse?
A. Hydrogen
B. Helium
C. Nitrogen
D. Flourine
A. Hydrogen
B. Chlorine
C. Hydrogen and Helium
D. Neon
When our sun reaches the end of its red giant phase, it will turn into a___________?
A. Supernova
B. White Dwarf
C. Black Hole
D. Neutron Star