A. clear.
Water is transparent.
Explanation:
The heart of the doorbell is an electromagnetic so yeah it does.
Low frequency. it’s called low frequency active sonar (LFA sonar)
Answer:
Density = 0.17 g/L
Explanation:
It is given that,
Volume of the inflated balloon filled with Helium,
Mass, m = 374 g
We need to find the density of helium. It is equal to its mass per unit volume. It can be given by :
d =m/V
So, the density of helium in the balloon is 0.17 g/L.
Answer: Alkanes undergo a substitution reaction with halogens in the presence of light. ... This reaction is a substitution reaction because one of the hydrogen atoms from the methane is replaced by a bromine atom
Explanation: