hydrogen
The silent letter in gnarled is the G, as it is pronounced "narled." Other words with this silent G spelling are gnat, gnaw, and gnu.
yes it is y
In one pronunciation (mem-reez) the O is silent. In the other (mem-uh-reez) it is not.The I could be considered "silent" because the vowel pair IE is pronounced E.
The final E is silent, but does not make the other E a long vowel. (There are two silent consonants as well, the K and the D.)
In words starting with pt-, the p is silent (as pterygium). In words starting with PS-, also the p is silent (psycho-<whatever> or pseudo-<whatever>). In phthisis the pH is silent. I seem to be stuck on the letter "p" right now, but I am sure there are words with other silent letters.
There are no commonly used words in English where the letter "o" is silent. However, there may be some words borrowed from other languages, like "doux" in French, where the "x" is pronounced instead of "ou".
hydrogen, oxygen, and other stuff makes up milk.
A waste product that a plant releases after it makes food is oxygen. Other organisms depend on this oxygen to survive.
Trees and other plants releaseoxygen.Stars make oxygen in their cores by fusing lighter elements together.
Water is H2O - hydrogen and oxygen
I think it is the letter b!
The letter Q makes a (kw) sound when paired with U. Practically all Q words are QU words and have the (kw) sound. There is no silent U. Some words from other languages use Q without a U and may have either the (kw) sound or just a (k) sound. E.g. qoph (Hebrew letter) has the sound (kof)