B. 169ft2 Because you have to do l*w
A—
This sentence pretty much sums up what the writer of the passage wants to talk about. The other ones do not fit with the sentence “water is one factor that is necessary for growth” and do not fit the idea of the passage, which is what factors affect plant growth.
Hello!
There are many theories about tooth problems. In ancient times many people believed that people could lose their lives to tooth problems, due to spreading infections throughout the body.
If you had lots of cavities or other tooth problems, and you do not get them cured, they will most likely fall out and infection could spread, which could be fatal.
I hope this helps!