বায়ুমন্ডলে নাইট্রোজেনের পরিমান শতকরা কত ?

A 78-79%

B 79-80%

C 77-78%

D 80-81%

Solution

Correct Answer: Option A

Practice More Questions on Our App!

Download our app for free and access thousands of MCQ questions with detailed solutions

Download Android App Login to Website

Related Topics