Answer: you keep from committing fornication and adultery by staying faithful to your partner
50/50
you see, the coin only has 2 sides
Also, you're flipping it twice
therefore, the probability is matched up and you have a 50/50 chance of getting heads at least 1 of those 2 times
(Hope it helped ^_^)
The answer is grasses. Algae doesn't produce seeds or spores.