The mass of a textbook was really heavy.
Hope I helped
im pretty sute the answer would be number 4.
mark brainliest :)
I think it will be D or B but my mine answer is D
say for example, the color of our blood inside the body is blue, when you have a cut, th he blood color is red through oxygenation.
Because of pollution from factories and other activities that release harmful gases into the air
