The answer that represents the hallmark of the modern biography is D) all of the above, including focus on ordinary people instead of merely kings, rulers, and saints, allowing subject to speak in his or her own words, and including an attempt to be objective and to critically evaluate subject.
I believe the author was seven years old ignore what I asked sorry about that.
Mass- triple beam scale
Volume- graduated cylinder
Density- find the mass and the volume of the object. Divide the mass by the volume.
Hope this helps!
She runs around in circle’s, trying to run and jump at the same time. That sentence violates the guidelines.