The distance on thermometer B between the 110 °C mark and the −10 °C mark is 18 cm. Calculate the length of the liquid thread above the −10 °C mark when the temperature
recorded by B is 70 °C.
length =

*please provide detailed explanation*

What are similarities and differences of reflection, refraction, diffraction and absorption?

Positrons are spontaneously emitted from the nuclei of

Match each vocabulary term to its definition. 1. electrons neutral subatomic particles found in the nucleus of the atom 2. neutron lowest energy position of an electron in an atom 3. photon the path of an electron around the nucleus of an atom 4. ground state negatively charged, subatomic particles 5. protons packet of energy of specific size 6. element substance with only one type of atom 7. orbital positively charged, subatomic particles found in the nucleus of the atom