All of the following groups of non-English colonists migrated into the British North American colonies in large numbers throughout the eighteenth century EXCEPT 1) Germans
2) Russians
3) Scots
4) Irish
5) Dutch
I have an APUSH test coming up so help is greatly appreciated!!

Without stratospheric ozone, which of the following would most likely occur? i. smog over major cities would be greatly reduced. ii. farms would produce surplus crops because of increased photosynthesis. iii. uv radiation would damage phytoplankton and reduce populations of aquatic consumers. i only ii only iii only i and ii i and iii