Which theory was contradicted by experiments with the photoelectric effect? Light spreads out after it passes through a small opening.
O As soon as light strikes metal, electrons will be ejected,
O Visible light, regardless of color, will cause the ejection of electrons when striking metal,
O The kinetic energy of ejected electrons depends on the frequency of light that strikes the metal,

well

explanation:

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.

answer;

medical directors

explanation;

medical directors grants and supervises the privilege or permission to use an aed on an ambulance.

other roles of a medical director includes;

-provide medical leadership, including coordination with local ems and 911 centers.

-provide guidance in equipment selection and deployment

-develop guidelines for responder actions

-oversee medical care that is rendered through the program, including review of all responses to medical emergencies

-ensure appropriate initial training and skill maintenance

-assume overall responsibility for the conduct and operation of all patient care related activities