A scientist is examining the role of an element found in fats and carbohydrates of living things. This element makes up 65% of human body mass. Which statement describes the element he is studying?

Water. your body is composed of 65%water

its 71% water on earth

but someone who wont respond says its 65% water well if u go with 65% your wrong but if u go with 71% your right your right on the first one 65% but that's by year one of birth by when your an adult its 60% total