A Rectangular Wooden Block Measures 10

question 54

Multiple Choice

A rectangular wooden block measures 10.0 cm × 4.00 cm × 2.00 cm.When the block is placed in water,it floats horizontally,with its bottom face 1.65 cm below the surface.What is the density of the wood? The density of water is 1.00 g/cm³.

• A)0.825 g/cm³
• B)1.21 g/cm³
• C)1.65 g/cm³
• D)0.606 g/cm³
• E)0.350 g/cm³

---

Definitions:

Behavioral Genetic Research

The study of the role genetic and environmental variables play in shaping behaviors, using methods like twin studies, family studies, and adoption studies.

Monozygotic Twins

Identical twins resulting from the division of a single fertilized egg, leading to genetically identical individuals.

Dizygotic Twins

Twins that are genetically different and are born from two separate eggs fertilized by two different sperm.

Heritability Coefficient

A statistical estimate that indicates how much of the variation in a trait within a population can be attributed to genetic differences among individuals.