He fibrous skeleton of the heart serves as electrical insulation between the atria and the ventricles. True False

Which term best describes a community in which people work mostly in factories? a.agricultural. b.hunting and gathering. c.domesticated. industrial.

Which of these statements is false? a. others may notice a problem with a relationship before the people involved. b. the first sign of a problem with a relationship is a feeling of anger. c. damaged relationships can be repaired. d. even good relationships can be damaged.

When ash and dust begin to settle on the ground, they eventually become compacted by