Physical Properties<span>: </span>Physical properties<span> can be observed or measured without changing the composition of matter. </span>Physical properties<span> are used to observe and describe matter. so physical changes are the change in temperature of the land and the evaporation of water and change humidity of the air. chemical change is the ripening of the orange</span>
B. 133.88
Sorry po kung mali
Answer:
Substance A is deadlier than Substance B,
Explanation:
Simple :)
A.
H20 and OH are a conjugate acid-base pair.