What must happen to igneous rock before it can change into sedimentary rock? a. it must be broken down into sediment b. it must melt and become magma c. it’s minerals must be dissolved in water d. it must be exposed to high pressure and temperature

Which best describes how parents affect the genotype of a child? a.the parents decide what to feed their child b.the parents choose whether to educate their child c.the parents allow their child to stay up late d. the parents pass along genes to the child

What best describes the structure of the declaration of independence?

In an experiment examining the effects tai chi on arthritis pain, callahan (2010) selected a large sample of individuals with doctor-diagnosed arthritis. half of the participants immediately began a tai chi course and the other half (the control group) waited 8 weeks before beginning. at the end of 8 weeks, the individuals who had experienced tai chi had less arthritis pain that those who had not participated in the course.