today I Learned
Why are plants green?
Most of the sun energy is in the green wavelength, why do plants not absorb it?
ReadNorth Korea is a necrocracy
Kim Il-sung died in '94 but it's been nominated eternal President of the Republic
ReadMost of the sun energy is in the green wavelength, why do plants not absorb it?
ReadKim Il-sung died in '94 but it's been nominated eternal President of the Republic
Read