The addition of sodium chloride to pure water causes the conductivity to INCREASE. The more NaCl present in the water, the higher the conductivity is because NaCl is an electrolyte. Once dissolved in water, it becomes Na and Cl which are corpuscles that conduct electricity.
Answer:
The awnser is D
Explanation:
Since the black pieces absorb light better than white pieces, the white pieces will reflect light better. But since color doesn't affect sound, the sound waves are reflected the same.
<span>This question is simple, answers are D and C respectively</span>
Answer:
Moles = Molecules / (6.0221415 x 10^23)
Explanation:
Answer:
sun is a star because it has it own light. it don't need to reflect through others light