Answer:
4
Explanation:
= Threshold intensity for woman
I = Intensity of sound for man
= Intensity level of sound = 6 dB
Intensity level of sound is given by

The ratio is 4
Answer:
I think it's D!!
cuz protons are in the atoms
Answer: An object is in motion when its distance from another object is changing . A reference point is a place or object used for comparison to determine if something is in motion. An object is in motion if it changes position relative to a reference point. You assume that the reference point is stationary, or not moving
Explanation:
Answer:
The blood vessels dat carry blood away from the heart are non as arteries, while those dat carry blood back to the heart are veins.
Explanation:
The ARTERIES are major blood vessels connected to your heart.
Answer:

Explanation:
As we know that tank itself has mass given as 13.4 kg
so it is given as

also the tank contains air in it and the mass of air inside the tank is also given as 4.47 kg
so it is

so total mass of the tank is the mass of the empty tank and mass of air in the tank


