What is true in every balanced chemical equation?
A. Mass has to be conserved.
B. The reaction does not give off any energy.
C. All coefficients have to be an even number.
D. Atoms are created when products are formed.

Decide if the following sentence is grammatically correct or incorrect il y a un ours dans la cuisine. correct incorrect fill in the blank with the correct partitive article. je veux eau s'il te plaît. du de l' d' de la choose the best translation of the following sentence. there is no computer on this desk. il n'y a d'ordinateur sur ce bureau. il n'y a pas d'ordinateur sur ce bureau. il y n'a pas d'ordinateur sur ce bureau. il y a pas d'ordinateur sur ce bureau. decide if the following sentence is grammatically correct or incorrect. pauline a vendu toutes les cerises qu'elle a cueillies. correct incorrect fill in the blank with the correct form of the adjective. wes est un garçon. vilain vilaine vilains vilaines