4. During what process does ammonia (NH3) convert to nitrate ions (NO3)- ? a. Nitrogen fixation
b. Nitrification
c. denitrification

The second continental congress: a. made provisions for a continental army with george washington as commander-in-chief b. adopted a “declaration of causes of necessity of taking up arms” c. endorsed the olive branch petition d. all of the above

Who was the first present of the united states

Atsar was a russian leader in early 1900 who was similar to a?