A photon has 8. 0 × 10–15 j of energy. Planck’s constant is 6. 63 × 10–34 j•s. What is the frequency of the photon? 1. 21 × 1019 hz 8. 3 × 10–20 hz 1. 21 × 10–19 hz 8. 3 × 1020 hz.

Its unlawful in the state of florida for any person to operate a motor vehicle unless each passenger of the vehicle under age of

In her article "why should i vote? " stephanie goggin crafts a well-organized and coherent argument. she states that every person of voting age who is registered should vote. she also argues that if you are not registered to vote, you should be. in conclusion, goggin's argument is laid out in a thoughtful and thorough way that is convincing to readers. which element is missing from this evaluation?

This graph represents four ecosystems. each ecosystem has a different number of species, adding to its biodiversity. different colors represent different species. which statements correctly summarize the data depicted by the graph? 1. ecosystem d has more biodiversity than ecosystem c. 2. ecosystem b has more biodiversity than all the other ecosystems. 3. ecosystem a has more biodiversity than ecosystem b but less biodiversity than ecosystem c. 4. ecosystem b has more biodiversity than ecosystems c and d but less biodiversity than ecosystem a. 5. ecosystem a has more biodiversity than ecosystem c but less biodiversity than ecosystem b.