Answer:
You need soap to wash the oil off your hands because oil and water don't mix well and makes it difficult to remove
Explanation:
Germs stick to the oil on your hands, and washing with just water doesn't work because oil and water don't mix, but soap dislodges the germs and oil from your hands
yes
Density oil will float
B : 127m/s
= 500 ÷ 3.92
= 127.5
D. has characteristics between conductor and insulator
