I'm reasking this because I keep getting links not a real answer and I need a proper answer soon please

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

Acertain radio station broadcasts radio waves that have a wavelength of 298cm what is its broadcast frequency?

Identify the type of heat transfer occurring when chocolate melts in your hand