Answer:
The correct option is ALL OF THE CHOICES ARE CORRECT.
Explanation:
Germicidal chemicals are chemical substances that are normally used to eliminate germs. There are many factors that one needs to consider when it comes to choosing and buying the right germicide. For instance, one has to consider the suitability of the germicide with the material that is been treated, one has to consider the impacts of the chemical on the environment, one also has to consider the cost, toxicity, safety and other factors. Thus, all the factors given in the options have to be considered when one is trying to decide on the right germicide.
Answer:
a= 0.6818
Explanation:
Check the picture for the explanation step by step!
Answer: <u>IONIC BONDING- </u>When a metallic atom reacts with a non metallic atom, then it forms an ionic bond. For example, Sodium (Na) is a metal that reacts with a non-metal Chlorine (Cl) forming Sodium-chloride (NaCl).
<u>COVALENT BONDING-</u> It is a chemical bonding that occurs when any two non-metallic atoms reacts with one another, by sharing one pair of electrons. For example, Carbon Dioxide (CO₂).
A tree is renewable because it can re grow and make more trees.
Iron is non renewable because it can’t make any more things, you can just use it that one time