Which of the following is not a threat to the environment? soil erosion

landslides

desertification

soil conservation

it is (c) or desertification

c

Explanation:

sorry If I'm wrong

    The message came in the form of a coded telegram dispatched by Arthur Zimmermann, a Staatssekretär (a top-level civil servant) in the Foreign Office of the German Empire on 19 January 1917. The message was sent to the German ambassador to Mexico, Heinrich von Eckardt.

Explanation:

On January 16, 1917, British code breakers intercepted an encrypted message from Zimmermann intended for Heinrich von Eckardt, the German ambassador to Mexico. ... The British cryptographic office known as “Room 40” decoded the Zimmermann Telegram and handed it over to the United States in late-February 1917