Question

বিপদ সংকেত হিসেবে লাল বর্ণের আলো ব্যবহার করা হয় কেন​

Answer 1

Explanation:

Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's activities

Answer 2

Answer:

teacher:well,most of the decoration is planned,is there anything else left to do?

Ali: teacher, can we use electric lighting bulb also?a can bring green,white and orange bulbs.

teacher: why not?thats also a good idea

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