Which type of waves does the human ear convert to electric signals during the process of hearing?

a.) ultrasonic waves

b.) electromagnetic waves

c.) longitudinal waves

d.) transverse waves

Paint and solvents pose no potential hazard to human health. select the best answer from the choices provided t f

When does a spring tide occur? question 9 options: they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur twice a year in the spring and fall. they occur on the date of the vernal equinox each year, no matter what stage the moon is in. this is why they are called spring tides. they occur when the sun, moon, and earth are at 45-degree angles from each other. this happens once every spring. they occur when the sun, moon, and earth are aligned. in spite of their name, these tides occur all year long.

Why do you suppose the structural polysaccharide cellulose does not contain branches?