Answer:
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Explanation:
number one: when substances like rock and minerals are being physically broken down, its called weathering.
Number two: when particles are carried away to another location exp " a river carrying rocks to an ocean" that's called deposition
Number three: this would also be weathering because it is physically being worn down
Number four: would be a topographic map, because theses maps use lines to study elevation instead of color
Answer:
b) Baking soda
Explanation:
Baking soda is sodium hydrogen carbonate, NaHCO₃.
It reacts with water according to the equation
NaHCO₃ + H₂O ⇌ H₂CO₃ + NaOH
Thus, baking soda is a base because it increases the concentration of hydroxide ions in water.
<em>Water</em> is <em>neutral</em>.
<em>Lemon juice</em> is an <em>acid</em> because it contains citric acid.
An <em>insulator </em>is a substance that does not conduct electricity. Insulators are <em>neither acidic nor basic</em>.
