Actually, the first gasoline was unleaded. Sometime in the 1940s lead was added to increase the octane rating. Environmental legislation in 1975 began the phase-out of leaded gasoline.
Ancient Greece
according to the national science foundation it was during the mandingo period
Ammonites first appeared during the Devonian Period within the Paleozoic Era.
The snail was introduced to earth in the Late Cambrien period.
Catholicism was introduced to the Philippines by the Spanish during their colonial/conquest period.
No. A conifer is a any species of pine tree.
During the period of colonization and contact with Europeans, it is estimated that around 80-90 of the Hawaiian population died from diseases introduced by Europeans.
No, the Song dynasty was mostly Neo-Confucianist, though Popular Buddhism was introduced during the period.
China and Korea
Alauddin, however, was the first who introduced price control policy in India. ... give the concept of Planned Economy in medieval period which was, later on, adopted ... among his subjects which reduced the value of the currency in the market.
If teratogens are introduced during the germinal period of development (first two weeks after conception), it is most likely that the pregnancy will not continue, resulting in a miscarriage. This is because exposure to teratogens during this time can disrupt the normal development of the embryo and prevent it from implanting properly in the uterus.
Penis