What is pyrolysis or cracking? Explain with an example.
Find the correct set of differences for boys and girls during puberty from the following table. BoysGirlsA. Larynx does not grow muchLarynx begins to grow very bigB. Voice box grows to form Adam's appleNo Adam's apple formationC. No cracking of voiceCracking of voice takes placeD. Boys have a high pitched voiceGirls have a deep voice