If steel is more dense than lake water, why can a boat float?

What is the approximate time of death of the body temperature is 29.4 degrees celsius

2. if someone had the list of traits you provided in question 1, do you think he or she would be able to find you in a group of 1000 people? why or why not? if not, what other information encoded in your genes might distinguish you from the others in the group? what are other traits that are encoded for by dna?

About how much of the cell mass is watet