Which phrase best describes weathering? breakdown of rocks through mechanical or chemical processes

processes that make it difficult to determine the age of rocks

when rock layers form horizontally

building up earth’s surface through deposition

Explanation:

weathering is a process of breakdown of rocks through mechanical or chemical process...

14,16 18 reacts with group

the major pests we deal with are insects, weeds and fungal diseases. a pesticide is a product, whether organic or chemical, used to kill the target pest. there are other techniques gardeners should use that can prevent the severe infestations that make the use of pesticides necessary