Select the word from the list that best fits the definition early greeks a. heliocentric b. geocentric

The answer is B. Geocentric

Option B i.e Geocentric is the correct answer.

The early Greeks believed that planets followed perfect circular orbits around the Earth and this came to be known as Geocentric Modal/Theory of solar system.  Plato and later Heraclides (330 B.C.) advocated the same.  After that we see Aristarchus (270 B.C.) proposed that Sun is the center of solar system and earth and other planets move around its orbit. This came to be called Heliocentric theory of solar system.

wild parsnip is a perennial plant which reproduces rapidly in areas which have no sign of agricultural activity such roadside or at no tillage open areas. it's considered invasive because it can inhibit the growth of another plant  and its reproduction is fast. there are several harmful effects of this invasive plant although its taproot is edible since it is a member of the carrot family. wild parsnips can cause skin blistering when in contact because of the chemicals it contains, second it inhibits the growth of other plants, it will restrict the growth of animals when eaten and lastly, it drives away natural pollinators like bees.