A sentence that contains at least two independent clause is a compound sentence.
I'm sure you already finished it, but to anyone who needs it
The order is:
1
3
2
I just did it :)
Electromagnetic radiation I believe
Past participles,
End in -ed: the cracked windows have been fixed.
Cracked is the past participle.
End in -en: the broken window was expensive to repair.
Broken is the past participle.
End with an irregular ending: the lost coin was never found.
Lost is the past participle.
Present participles end in -ing:
The crying baby had a wet nappy/diaper.
Crying is the present participle.
The smiling girl is my sister.
Smiling is the present participle.
Hope this helps! :)