FM radio waves and waves that are used in microwaves and radar are used by mobile phones.
noon because as the day gets hotter the humidity will go up
While mercury occurs naturally in the environment, human activities that increase the number of elements in the ecosystems. Examples of such activities include;
- Smelting and incineration of waste
- Coal-fired electricity generation
When the mercury settles in lakes and oceans and consumed by fish, the toxin get to the fish tissues. As the fishes are predated on, there occurs a phenomenon called bioaccumulation in the high animals in the food chain.
Amylase, lactase, and pepsin serve as catalysts in metabolism.
I hope this helps!