Question

first king of Saudi Arabia​

Answer 1

Explanation:

Nitrification is the biological oxidation of ammonia to nitrite followed by the oxidation of the nitrite to nitrate. The transformation of ammonia to nitrite is usually the rate limiting step of nitrification. Nitrification is an important step in the nitrogen cycle in soil.

Answer 2

Answer:

Ibn Saud

Explanation:

Ibn Saud (1875–1953), the founder and first king of Saudi Arabia, was very young when he first married. However his wife died shortly after their marriage. Ibn Saud remarried at eighteen and his firstborn child was Turki.