Science can answer many questions for example the speed of light, the frequency of pitch or sound, dna tests
This is false. There are elements that have three letters, however they don't occur as often as those with one or two letter formulas.
Clouds can block light and heat from the Sun, making Earth's temperature cooler. You've probably noticed this kind of cooldown on a cloudy day. However, some heat from the Sun does get down to Earth. Clouds can trap that heat from the Sun.
They are energy production, energy storage, building macromolecules, sparing protein, and assisting in lipid metabolism
hope this helps :)
