Most of the time m (M) means male and f (F) means female.
Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's metabolic activities
Global Warming is considered a man man treat because of the overuse of electricity and water that end up back into the ocean.
Fainting helps Bob's body restore homeostasis by increasing blood pressure and blood flow to the heart.
