A photon has 3. 4 × 10–18 joules of energy. Planck’s constant is 6. 63 × 10–34 j•s. What is the frequency of the photon? 5. 12 × 10–15 hz 1. 95 × 1016 hz 5. 12 × 1015 hz 1. 95 × 10–16 hz.

Choose the best option to complete the statement. the purpose of the first phrase of the u. s. constitution, "we the people," is to demonstrate the power of the president to the people show the people that the government leaders are in charge show that the people created the government and that it exists for the people discourage enemihoees of the people from trying to interfere with our country

Which of the following always exist between two objects having mass ● elastic force ● contact force ●gravitational force ●magnetic force

Scientists observed a rock stratum with fossil. if mollusks evolved before arthropod, where will their fossils be found.