As there are more and more mouths (1)______ , there comes a great strain (2)______ the resources of a country; this is real in the case of developing countries with the result they are unable to push ahead economically.

A high (5)______ of our annual consumption is in the form of packaging, and this (6)______ about seven percent by weight of our domestic refuse

In this way, we can put you in a (4)_____ at the most suitable level.

This did not happen by chance. It was the (2)_____ of changes in the way people lived in those places at that time. Until then, more people lived. In the country than in towns.

Carbon dioxide goes up into the atmosphere, and it form a kind of screen that keeps or allows the sunshine in but stop the Earth heart (2)______ getting out.

Meanwhile, most teenagers have difficulty in identifying their own interests. There are a variety of well-organized career talks and student counseling workshops to guide and help teenagers (5)______ what course to take. Furthermore, psychological tests are also used. Certain instruments such as surveys, interviews and computer software can help to find out preferences, interests, or learning styles of the students.

When I eventually started, I was responsible (3)_____ the toy section. I really enjoyed it there and I oved demonstrating the different toys. I was surprised at how friendly my colleagues were, too.

These men and women often worked alone, carrying out research into many different areas of science, and they often received very little (5)_____ for their hard work. At the start of the 20 century, thought, it became clearthat science was becoming more complicated and more expensive. This individual scientist disappeared, to be replaced by highly qualified teams of experts. Modem science was born.

Scuba diving is a sport in (1) you swim underwater for extended (2) using special equipment.

Scuba diving can also be a very relaxing sport and in many places it’s very beginner friendly. Many dive sites are (4) (under the care of an
instructor) after a short briefing and training dive. You can learn to dive far more quickly than you learn snow sports, for example. It’s also
suitable for people with a number of physical disabilities

NOISE POLLUTION
Noise is more than a mere nuisance. At certain levels and durations of exposure, it can cause physical damage to the eardrum, and (1)_____ in emporary or permanent hearing loss. In addition to causing hearing loss, (2)_____ noise exposure can also (3)______ blood pressure and pulse rate, cause irritability, anxiety, and mental fatigue, and interfere with sleep, recreation, and personal communication. Noise pollution control is, (4)______ , of importance in the workplace and in the community. Noise effects can be (5)_____ by a number of techniques, for example, increasing the distance or blocking the path between the noise source and the recipient, reducing noise level at the source, and protecting recipients with earplugs or earmuffs