21.   English Nature is now studying the effects of acid rain on other SSIs.

22.   While unprecedented measures are being taken to curb CFCs, scientists studying the effects of stratospheric flights and their increasing frequency are still starved of research funds.

23.   These included carrying out further work on the impacts of relocating tribal people, and studying the effect on fisheries.

24.   Mr Nichol has been seconded to the region for a special project, studying the effects of community care throughout the country.

25.   Ross Chisholm, head of local planning and transport, said officers had been studying the effect of the traffic restrictions since they were introduced.

26.   My own line is studying the effect of lasers on chemical reactions to see if lasers can be used to stimulate or generate new novel types of chemical process.

27.   Amgen Inc. is sending its laboratory aloft as the biotechnology giant partners with NASA to study the effects of space travel on the human skeleton.

28.   And because so much is known about fruit flies, including their entire DNA sequence, they make a good laboratory model for studying the effects of Plasmodium.

29.   An ASTM committee has studied the effects of acceleration on the body.

30.   And Congress is considering a bill to establish a national commission to study the effects of gambling.