Which type of coal (sedimentary or metamorphic) produces the most heat when burned?

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

What molecules does hemoglobin decay into over time

Many body systems work together for proper functioning of the body and to maintain internal homeostasis. the works to break down food eaten before exercising. the takes in the nutrients obtained from the food. the body sweats as a mechanism to cool off, because the is working to flush out toxins.