It lists in the beginning a few of the different theories people have of how Rome fell, including led poisoning and the spread of Christianity.
Over the years, researchers have come up with a slew of theories as to what might be causing CCD such as pests, viral pathogens, fungi, bacteria, and even cell phones, but no definitive reason can be attached to this bizarre overtaking Without them, we will have neither pollination, and practically neither fruits, nor vegetables.
Then, a lot of studies have been done about neonicotinoids and bees, and they all reported that this chemical has a negative impact on honey bees, but those studies did not find any link between this chemical and the CCD.
Typically, the price of oil is determined by demand and supply of the world market and forecast advance to invest in which level of demand depends on the level of economic activity and behavioral use of energy from humans. Government agencies often have reservations about stating their opinion about why the bees are disappearing.
As time goes by, though, scientists are gradually starting to agree with each other.