Answer:
The answer is B - Tap water can be found in the natural environment, but what the lab technician is testing is if there is lead in the water. This part is not related to biology therefore making B the answer.
Step-by-step explanation:
Biology is the study of living organisms and life.
Every other answer is related to Biology.
A - A vitamin that helps with vision - this will affect the human vision to become better after taking it; this relates to biology because it involves the interaction of humans and the human body system.
C - Change of environment - this deals with the bird's environment and how they live and breed, which is in biology
D - Growing coffee to reduce harm to the rainforest - this deals with biology because it is taking about the environment and how certain changes will affect how it will thrive.
E - DNA - this is involved in human and other organism's systems and is related to biology.