What kind of reaction is this? s points
NH, Cl → NH, + + HCI
Synthesis
Single Replacement
Double Replacement
Decomposition
Combustion

This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.

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Which property of a rock remains unchanged by mechanical weathering? a. total surface area b. size and shape c. mineral composition d. sharpness