Igo to school on monday tuesday wednesday thursday and on friday too

Я хожу в школу в понедельник, вторник.среду, четверг и в пятницу тоже.

Я хожу в школу в понедельник, во вторник, в среду, в четверг и в пятницу тоже.

The majority of economists were sure that immigration benefited our country financially.
According to the economists' forecasts, the unemployment rate will  increase after the new economic reform is implemented.
If you want your business to prosper, you should hire an experienced economist.
Our company is currently recruiting PhD economists having computer skills.
The chief economist was fired as he couldn't cope with his work successfully.
The problem of tax benefits was being discussed by the leading economists at the yesterday's conference.
The market conditions had been carefully studied by the economist before he made up a detailed plan for developing their company.

1. Science, that had arised at the dawn of human existence, is commonly interpreted as the knoweledge of the world of nature and its processes.
2. However, this definition doesn't exhaust the full meaning of science and requires much larger consideration, thus causing the expansion of knowledge both in depth and range.
3. It is generally believed that natural phenomena, the changing of the seasons, the motion of the Sun provide the basic rhythm of human existence.
4. Such regularities have always been an object of interest for scientists, and, to be able to make intelligent decisions and informed judgement on this point, they use an experiment that serves as a model for explaining and predicting changes of nature.