A challenge facing geneticist Andrew Cockburn, whose work focuses on the eradication of malaria, is that he: can breed too few mosquitoes for his research

must find a needle that can penetrate a mosquito egg with a test gene

can only perform his research during the summer mosquito season

has become allergic to mosquito bites and must hire lab technicians to do all hands-on work

air, water, heat and noise pollution can all be caused by producing and using technology. consuming resources - non-renewable resources, including precious metals like gold, are used to make technology

doctors i believe if i'm wrong sorry

b.

the most common type of reef is the fringing reef. this type of reef grows seaward directly from the shore. they form borders along the shoreline and surrounding islands.