Some factors could be:
weather
ressources
<span>Nitrazine paper turns blue on contact with the fluid.
Ferning reveals about the complete Microscopic examination of the fluid.
This rupture of the membranes basically means breaking the water which happens before the delivery of the baby. There won't be any danger if the membrane is ruptured which means the bag of water broke.</span>
The answer to 2-7 would be -5, but 7-2 would be 5, depends how specific one is trying to be.
The answer is: the source of information could be biased
The scientist is interviewing environmentalists and then generalized their opinion as "people". An environmentalist is a person that cares about the environment, so they will more likely to deny the option that harms the environment. If the dam harmful to the environment, most environmentalists will not approve it.
