4.an aeroplane flying 900m above sea level and a marine is floating 300m below sea level . find the distance between them ?

the person who will answer the question , i will mark him/ her as brainlist ✨.

i will follow him / her.

as we'll as he /she will be awarded as 10 pts.

NO SPAM - I WILL REPORT

plz urgent,please fast ⏩

by explaining ​

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