To gather more information and details on the soil
Answer:
Against but it really depends on the situation
" The endocrine system is the collection of glands that produce hormones that regulate metabilism, growth and developement, tissue function.." and others.
Momentum = mass x velocity
So both mass and velocity affect an object's momentum.
Velocity=frequency/wavelength
frequency=velocity*<span>wavelength
</span>f=341*0.8
f=272.8 Hz
