Once the reference point has been established, the Price Index value of every other city in the database is calculated by comparing their cost of living to the cost of living in Prague. Therefore, if a city has a Price Index of 134, that means that living there is 34% more expensive than living in Prague.
Plant Life. There are many different plants in the rain forest. Some of the plants include vines, bromeliads, the passion fruit plant and the Victorian water lily. Vines in the rainforest can be as thick as the average human average human body and some can grow to be 3,000 ft long.he bangle bamboo is another plant of the rainforest. This plant can grow 40 to 80 feet tall and three inches in diameter. It has dark green stalky columns for stems and narrow green leaves. The bangle bamboo is a type of grass, the largest and fastest growing grass.
A tropical rain forest has more kinds of trees than any other area in the world. Scientists have counted about 100 to 300 species in one 2 1/2-acre (1-hectare) area in South America. Seventy percent of the plants in the rainforest are trees. About 1/4 of all the medicines we use come from rainforest plants.he tropical rain forest is a forest of tall trees in a region of year-round warmth. An average of 50 to 260 inches (125 to 660 cm.) of rain falls yearly.