Observation : Advantages and Disadvantages

What is observation? Observation is way of gathering data by watching behavior, events, or noting physical characteristics in their natural setting. Observations can be overt (everyone knows they are being observed) or covert (no one knows they are being observed and the observer is concealed). The benefit of...

By: সাদমান On 9:39 PM

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Solar System

Solar System The Solar System comprises the Sun and its planetary system of eight planets, their moons, and other non-stellar objects. It formed 4.6 billion years ago from the gravitational collapse of a giant molecular cloud. The vast majority of the system's mass is in the Sun, with...

By: সাদমান On 7:45 PM

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