A person who studies the formation of the earth .

A person who studies the formation of the earth . Correct Answer geologist

যিনি পৃথিবীর গঠন নিয়ে গবেষণা করেন তাঁকে ভূবিজ্ঞানী (Geologist) বলা হয়। নৃবিজ্ঞানী (Anthropology): মানুষের অতীত বর্তমান ও বিকাশ নিয়ে গবেষণা করেন । আবহাওয়াবিদ (Meteorologist): যিনি আবহাওয়া বিষয়ে গবেষণা ও পূর্বাভাস দেন। ভূকম্পবিদ (Seismologist): যিনি ভূমিকম্প ও বলবিদ্যা বিষয়ে গবেষণা করেন ।
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A,B,C,D,E,G and I are seven friends who study in three different standards namely 5th, 6th and 7th such that not less than two friends study in the same standard. Each friend also has a different favorite subject namely History, Civics, English, Bangla, Science , Maths , and Economics but not necessarily in the same order. A likes Maths and studies in the 5th standard with only one other friend who likes Bangla. I studies with tow other friends . Both the friends who study with I like languages (Here languages include only Science , English and Bangla ) . D studies in the 6th standard with only one person and does not like Civics . E studies with only one friend . The one who likes history does not study in 5th or 6th standard . E does not like languages. C does not like English , Science or Civics. Which combination represents E's favorite subject and the standard in which he studies?
Choose the one that can be substituted for the given words/sentences in the following questions : A person who studies the formation of the earth
A person who studies the formation of the earth
পৃথিবী পৃষ্ঠে একটি ইটের ওজন 81 N. পৃথিবীর অর্ধেক বাসার্ধের সমান উচ্চতায় এবং অর্ধেক বাসার্ধের সমান গভীরতায় ইউটির উপরে পৃথিবীর অভিকর্ষ বলের মান কত হবে?(A brick weighs 81 N on the surface of the earth. What are the earth's gravitational forces act on it at a height of half of the radius of the earth and at a depth of half of the radius of earth, respectively?)
One third of Vindo's marks in Mathematics exceeds half of his marks in social studies by 30 , if he got 240 marks in the two subjects together , how many marks did he get in social studies?
A third of Karim's marks in Mathematics exceeds a half of his marks in Social Studies by 30, if Karim got 240 marks in the two subjects together, how many marks did he get in Social Studies ?
A body has a weight W on the surface of Earth. What is its weight on a planet whose mass is 15 times that of Earth and a radius that is 4 times that of the earth?
The oldest rocks in the earth's crust were once molten, and came from deep inside the earth. The molten rock, called magma, spewed out in volcanic eruptions during the earth's early life and solidified into hard rock's called
চাঁদের অভিকর্ষজ ত্বরণ পৃথিবীর অভিকর্ষজ ত্বরণের ছয় ভাগের এক ভাগ। চাঁদের ব্যাসার্ধ পৃথিবীর ব্যাসার্ধের এক- চতুর্থাংশ। পৃথিবীর ভর M-এর তুলনায় চাঁদের ভর কত? (The acceleration due to gravity on the Moon is one-sixth of that on the Earth. The radius of the Moon is one-fourth that of the Earth. What is the mass of the Moon compared to that of the Earth, M?)
Which of the following bodies was NOT studies to give evidence that the earth was bombarded in its early history?