True is the answer I must say???
Answer:Sound waves are longitudinal waves that travel through a medium like air or water. When we think about sound, we often think about how loud it is (amplitude, or intensity) and its pitch (frequency).
Explanation:
Answer:
Advantages of sunlight are .
- it gives us vitamin D
- preventing disease, and promoting good mental health
hope it is helpful to you
Answer:
The bond angle in H2O is about (104.5∘). In H2O,O-atom has two lone pairs.
Explanation:
The VSEPR theory describes five main shapes of simple molecules: linear, trigonal planar, tetrahedral, trigonal bipyramidal, and octahedral.
