Text 1. The following text is for questions no 16 to 20. Almost half of the earths population lives in a tropical forest environment. Which cover an estimation 2000 million hectares mostly in the developing world. The management of these forests is a matter of great ____ (16) for the countries in which they are ____ (17) for not only do their provide timber for lumber and paper, but also with their unique diversity of plant life serve as a renewable source of food, medicine, and fuel ____ (18) they are wisely harvested. Forests also help to regulate the quality and flow of water, an ____ (19) factor in development. They are the home of farmers and hunters, and yield many ____ (20) which are used both by the local people and needed by city dwellers.

THE HORNED MELON The horned melon, also called African horned cucumber, is an annual vine in the cucumber and melon family. It is considered to be the ancestor of the other cultivated melons. Often...

The coloring and spots that earned leopard gecko are only two of the outstanding physical features of this popular gecko. Leopard geckos are seven to nine inches long when they reach adulthood. They h...

Octopuses are mollusks, kind of animal with a soft body. Unlike other mollusks, such as clams and oysters, octopuses and squid have no hard ...to protect them. An octopus is an animal without any bone...

Brain cancer might be categorized as the worst and the deadliest disease. Approximately 17.000 people in the United States are diagnozed with primary cancer each year and nearly 13.000 die of the dise...

What is being discussed in the text?