Answer:
The hydrosphere refers to the water on the earth crust. If there were no hydrosphere, we would not have lakes, oceans, rivers, or even a hose full of water.
In a clinical situation where it is essential to control microbial growth that includes both mycobacteria and endospores, the chemical <span>agent that would be the most effective to guarantee the broadest disinfection are chlorines.
Chlorine (Cl) is a yellow-green gas often used for disinfection in its liquid form. </span>
B Nature selection for traits the allow for increased rates of reproduction and survival over traits that don't, is correct.
A is also correct
