A star's brightness is determined by the distance away from earth.
Meningitis is the inflammation of the meninges covering the brain and spinal cord. One of the physical symptom is Kernig's sign. It is done by letting the person to lie flat and flexing the thigh and hip to 90 degrees. If the leg cannot be straighten then it means it is a neurologic positive sign for Meningitis.
All of the 4 inner planet - Mercury, Venus, Earth and Mars - are known as rocky planets. Their surface is dry (rocky) and they are very small in comparison to the larger gas giants, further away from the Sun.
Of these planets, only Earth and Mars have moons
None of these planets - other than Earth - have abundant liquid water
Only the gas planets have rings
D) They are small and have rocky
Both are nucleic acids !
DNA is double stranded and has pentose sugar, phosphate, nitrogenous bases like adenine, guanine,thymine and cytosine !
while RNA is single stranded and same basic structure as DNA but the difference is thymine is absent and uracil is present !