Explain the complementary of the dna molecule and how it is held together within the strand

Restless tectonic plates move (shift) between one and fifteen centimeters per year month day minute

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.

What is any method of measuring the age of an object or event in years, such as using atomic half-life?