Which of the following apply to Direct Current? Check all that apply. * Charges flow in same direction
Electric current comes from outlet
Charges flow one direction then reverse direction
Current is generated by battery
Examples include: Flashlights, Cars, Cameras
Examples include: Stove, Microwave, Television

I don't really know if this question is physics

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

Select all the correct answers. which changes will increase the rate of reaction during combustion? decreasing the area of contact between the reactants adding more oxygen to the reaction removing heat from the reaction changing the reactants from solid form to powdered form lowering the exposure of the reactants to air