Scientist study a volcano in the Philippines, predict when it will erupt, and evacuate all the nearby islands in time.

An object weighs 40n in air , weighs 20n when submerged jn water and 30n submerged in a liquid of unknown density .what is the density of the liquid?

Steven pinker states that an important difference exists between men and women in:

What specific words do you hear in dr. king’s speech that are powerful