How many moles of chlorine atoms are in 6.3 × 1023 chlorine molecules?

They are like other investigations? say there was a murder u have to do blood test and finger prints which run through a lab. 

Sorry i dont understand the question can you rephase it?

Conservation efforts have been effective in "increasing the number of endangered species, reducing all the negative impacts of human activity, and preserving wildlife habitats".hope my answer has you : )