What type of electromagnetic waves are used to kill viruses

Why are Mars and Europa the top targets for the study of astrobiology?

A sperm whale can accelerate at about 0.0900 m/s 2 when swimming on the surface of the ocean. How far will a sperm whale travel if it starts at a speed of 0.700 m/s and accelerates to a speed of 2.18 m/s? Assume the whale travels in a straight line.

What is the maximum amount by which the wavelength of an incident photon could change when it undergoes compton scattering from an atom or molecule with a 36.0 u mass? (1 u = 1.66 * 10-27 kg) ?

Animals have cels specialized for different functions. Why is this feature an advantage for survival in a multicellular organisms?

Which type of environment results from an equal amount of solute and solvent in and out of the cell? A. hypertonic environment B. isotonic environment C. hypotonic environment D.

Red light from three separate sources passes through a diffraction grating with 6.60*105 slits/m. The wavelengths of the three lines are 6.56 * 10-7m (hydrogen), 6.50 * 10-7m (neon), and 6.97 * 10-7m (argon).

Desiree has a scientific question that she wants to investigate. She has developed a hypothesis and method for her experiment.

Total charge is uniformly distributed on a spherical surface of radius R. The sphere is centered at the origin and spins around the z axis with angular velocity 0. Assume magnetic permeability u, everywhere.

How many octants are in the three-dimensional coordinate system?

The bohr model of the atom addressed the problem of