The half life of c14 is 5730 years. i have a sample that i dug up from a sea cucumber fossil. i expected .00015ppm of c14 in my living sample, but instead i found that there was exactly1/8th of the expected ratio. how old is my specimen

Consider the diagram below, which represents components of the biosphere. what do the two arrows in the diagram most likely represent? a. radiation b. photosynthesis c. cellular respiration d. energy conversions will give to anyone who answers quickly

Awolf pack hunts, kills, and feeds on a moose. in this interactions, the moose is a?

The diagram shows the development of the oocyte and the follicle during the menstrual cycle. identify at which stage in the cycle the hormone levels are at their highest and most active.