C-14 has a half life of 5730 years, an artifact gives 4 counts per minute on a detector, living matter gives a count of 32. What is the estimated age of the artifact?

What is the volume of the fluid in the graduated cylinder with accuracy and measured to the correct degree of precision? 41.2 ml 42.0 ml 41.23 ml 41.89 ml

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

Design techniques and materials that reduce the negative environmental impact of a structure are referred to as