A2,000g of c-14 is left to decay radioactively. the half-life of carbon-14 is approximately 5,700 years. what fraction of the sample will remain after 17,100 years? a) 1/2 b) 1/4 c) 1/8 d) 1/16

Are the earth's ocean floor and continents the same age geologically? why or why not?

What are the ingredients of oobleck?

In a cladogram, what occurs at a node? a derived trait appears. evolution is stopped. an ancestor dies. the cladogram ends. aa as s as ss what are the chances that their offspring will have sickle cell anemia? 0% 25% 50% 100%