1. Which of the following statements is true about agricultural productivity in the United States since 1948? A. Agricultural productivity has decreased since 1948.

B. Agricultural productivity has not changed since 1948.

C. Agricultural productivity has increased since 1948.

D. Agricultural productivity has not been measured since 1948.

bacteria could be both, harmful and to us. harmful bacteria could make us sick and probably even by getting the chances of getting a disease, but good bacteria fight it off with your immune system. there is always bacteria everywhere we go. we need to make sure to wash our hands after using the restroom, before eating, after eating, after petting an animal too. so you see, bacteria is everywhere and is harmful or . i hope this . : ) : ) : )