Mind the word order: a) Extend the following sentences with the words given in brackets:
1. Scientists solve problems ( complicated, some, mathematical, to, try.)
2. Researchers make observations ( facts, and, collect).
3. The boundaries have become clear (fields, scientific, between, less).
4. Science has influence on lives (our, great).
5. Technology makes life easier (our, and, work, modern)
2. Researchers collect facts and make observations.
3. The boundaries between scientific fields have become less clear.
4. Science has great influence on our lives.
5. Modern technology makes our life and work easier.