Which of these can harm the human ear?

city traffic

fireworks

normal conversation

rainfall

A beam of light has a wavelength of 506 nanometers. What is the frequency of the light

During which process do cells use oxygen to release stored energy? 1) photosynthesis 2) respiration 3) circulation 4) digestion

Light with a frequency of 7.18 Ã 1014 hz lies in the violet region of the visible spectrum. what is the wavelength of this frequency of light? answer in units of nm.

Hubble measured the velocity of the movement of galaxies by using

How many electrons would have to be removed from a coin to leave it with a charge of + 1.39x 10 - C?

Hydroelectric power uses: wind water coal the sun

Two lightweight metal spheres are suspended near each other from insulating threads. One sphere has a net charge; the other sphere has no net charge. The spheres will: A. Attract each other B. Exert no electrostatic force on each other C.

Read the given list of organisms. squirrel, zebra, tortoise, rabbit, horse What best describes the role of these five organisms in a food web?

What are the SI units for specific heat capacity

What are starburst galaxies and what do they have to do with galaxy evolution?