Explain the difference between the sentences in each pair.
1 Greig's article supports Park's theory.
2 Describe the new tax regulations.
3 Lodhi provides new data.
4 Titova conducted four sets of experiments.
5 Lee established why such changes occur.
6 Okaz assumed that the data were reliable.
7 Illustrate the magnitude of the deceleration.
8 The events effected economic development.
Greig's article challenges Park's theory.
Discuss the new tax regulations.
Lodhi considers new data.
Titova examined four sets of experiments.
Lee investigated why such changes occur.
Okaz proved that the data were reliable.
Find the magnitude of the deceleration.
The events affected economic development.