ID#2701 BCS General Science Preli (34)
MS Word Writing Guide
১.
প্রথমে উপরের COPY বাটনে ক্লিক করুন।
২.
MS Word-এ গিয়ে Ctrl + V দিয়ে পেস্ট করুন।
৩.
সমীকরণটি সিলেক্ট করে কিবোর্ডে Alt + = চাপুন।
Shortcut: Alt and equal key
৪.
এরপর ডানদিকের ড্রপডাউন থেকে Professional সিলেক্ট করলেই গণিত সুন্দর দেখাবে।
Which one of the following ecosystems covers the largest area of the earth’s surface?
ক) Desert Ecosystem
খ) Mountain Ecosystem
গ) Freshwater Ecosystem
ঘ) Marine Ecosystem
ঘ
ব্যাখ্যা
The Marine Ecosystem covers the largest area of the Earth’s surface, accounting for approximately 71% of the total planet area.
১. Desert and Mountain ecosystems cover significant land portions but are small compared to the vast oceans.
২. Freshwater ecosystems like lakes and rivers cover only about 1% of the Earth’s surface.
৩. Marine ecosystems include oceans, coral reefs, and estuaries, supporting a massive range of biodiversity.
অতিরিক্ত তথ্য: The ocean contains about 97% of the Earth’s total water supply.
১. Desert and Mountain ecosystems cover significant land portions but are small compared to the vast oceans.
২. Freshwater ecosystems like lakes and rivers cover only about 1% of the Earth’s surface.
৩. Marine ecosystems include oceans, coral reefs, and estuaries, supporting a massive range of biodiversity.
অতিরিক্ত তথ্য: The ocean contains about 97% of the Earth’s total water supply.
Resource Details
| Exam | BCS |
| Subject | General Science |
| Chapter | 35 |
| Year | 34 |
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