I would go with B, or Ways to build immunity to diseases. Why? Well, just by using the word biology, we can use process of elimination. The prefix “bio” means life, so C and D already would be out. The suffix “ology” means the study of, so the word biology means the study of life. Because biology often has to do with diseases and finding cures to sustain human life spans, the only logical answer would be B. A would make no sense in terms of biology.
well i would go with
Call him tomorrow, he'll give you a response then.
The same thing that happened in the 19th century, "The Great Stink". The name is real and it describes an event from the past which would repeat if they started throwing waste again. The river would become so polluted that disease and contagion would begin to spread. In the 19th century, it was cholera. Now, nobody knows.
Answer: Look - direct your eyes to / See - perceive by sight; to see.
Explanation:
Look - direct your eyes to - points to a vaguer idea of vision. Not so accurate. Example: I was looking (at) the image while praying. "Someone may be looking at an image, but they are thinking elsewhere, for example.
See - perceive by sight; to see.
In this case, we understand that seeing is more "intense", less superficial. Example: When you look at this picture, what do you see?