One of the most abiotic factor that may affect humans directly is waster availability because with out water we can get dehydrated and die.
An empidemic because it kills more people than we can count
The path of an egg cell: After the egg breaks through the ovarian wall, it travels into the fallopian tube which overlies each ovary. From there, it reaches the uterus or womb. If the egg is fertilized by a sperm cell, it is implanted in the endometrium.
For the answer to the question above asking <span>In aerobic respiration, what is the direct source of energy that ATP synthase uses to synthesize ATP?</span><span>I think this is Proton Gradient. It is t</span><span>he product of the electron transport chain. A higher concentration of </span>protons <span>outside the inner membrane of the mitochondria than inside the membrane is the driving force behind ATP synthesis.</span>