A. Smallpox could make a good biological weapon because it is an airborne virus.
B. Smallpox can be prevented via vaccination and potentially prevented by HEPA filters.
Mercury,Venus,earth, and mars
Answer:
Transpiration pull occurs when water evaporates through the stomata. As water evaporate through the stomata, mesophyll cells draws water from the xylem of the leaves, which in turn draws water from xylem in the stem. This create a tension called transpiration pull
Explanation:
Most of us already know that darkness<span> is the absence of light, and that light travels at the fastest </span>speed<span>possible for a physical object. So, what does this mean? In short, it means that, the moment that light leaves, </span>darkness<span> returns. In this respect, </span>darkness<span> has the same </span>speed<span> as light</span>
