Answer:
D 1 and 3 only I am not sure
Explanation:
Vocabulary. Balanced chemical equation: A chemical equation in which the number of each type of atom is equal on the two sides of the equation.
Hope I helped! (´▽`)
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単語。平衡化学反応式:各タイプの原子の数が方程式の両側で等しい化学反応式。
私が助けてくれたらいいのに!(´▽`)
4.) D
10.) C
12.) D
13.) D
14.) D
15.) D
To measure length scientists may use rulers, meter sticks, etc. and to measure mass they may use a balance.