Q: click set pages and overwrite/remove the undesirable option.
A: Click Set pages and overwrite/remove the undesirable option.

Q: for many diseases the herbal medical treatment will be far more effective and direct.
A: For many diseases the herbal medical treatment will be far more effective and direct.

Q: encode, decode mp3,wma,ogg,wav with high speed and quality.
A: Encode, decode MP3,WMA,OGG,WAV with high speed and quality.

Q: "2. chemically analogous elements have atomic weights, either in close agreement (pt, ir, os), or increasing by equal amounts (k, rb, cs).
A:
"2. Chemically analogous elements have atomic weights, either in close agreement (Pt, Ir, Os), or increasing by equal amounts (K, Rb, Cs).