A student conducts an experiment using a common but potentially harmful bacteria culture. After working with the bacteria, which
is the MOST important safety practice to follow?
O A. return materials to their proper place
B. wash hands ay tabletops thoroughly
C. tum off any electrical equipment
D. dispose of waste materials
What happens is,that,when a river flows into the ocean it carries some land with it. This land is made up of rocks and soil, which contains minerals. One of these minerals is Salt.
