They do not think plant life 'came' to Earth. They believe it evolved here.
By a land bridge made out of ice
A scientist, known by the name of Rene Dubos
the scientist who came up with these theories are unknown
From the oceans
some scientist are atheist and obvioulsy do not believe that god created the world, so they believe that the world started when particles came together and wiola! the earth came to be...
Scientists don't think the moon came from the Pacific Ocean. Instead, the leading hypothesis is that the moon was formed from a giant impact between Earth and a Mars-sized object called Theia, about 4.5 billion years ago. This collision would have ejected debris that eventually coalesced to form the moon.
A scientist didn't come from anywhere. A scientist is an actual person of whom specialises in scientific matters.
Prokaryotic cells were the first to evolve and then later Eukariotic cells came along.
in Asia in the valley area called the fertile creasant for it fertile soil they call the the samratans
scientist tell you that so they can inform you on things
scientist think that a huge meteriod hit earth some dinosaurs died.the merteriod killed all plants the meats eaters died of hunger and the plant eaters died of hunger too.the meat eaters died because their food wich was the other dinosaurs died.the plant eaters died because the plants died of the metriod
i think god because lik he created this earth and made water and light and everything read it in the bible