Biology, 22.07.2019 18:00, Jimenezmiranda
When we see a star in the night sky, we are actually seeing how it was sometime in the past. this is because light takes time to travel from the star to earth. light travels 9.5 × 1015 m in one year. this distance is called 1 light year. when an astronomer sees the star betelgeuse, which is approximately 6.08 × 1018 m from earth, how long ago did the star appear the way it does to her today?
Answers: 1
Biology, 21.06.2019 20:20, briannabo08
Ineed a chemical reaction takes place in which erlergy is released. arrange the reaction's characteristics in order from start to finis lower energy of reactants higher energy of products higher energy of reactants transition state sd lower energy of products
Answers: 1
Biology, 21.06.2019 22:50, Brainly264
Parasitism could be considered a form of which of these types of relationships? -mutualism -commensalism -predator-prey -mimicry
Answers: 1
Biology, 22.06.2019 02:00, Totototono
The leopard frog and the pickerel frog are two closely related species. in areas where their ranges overlap, the frogs will remain separate species if they
Answers: 2
When we see a star in the night sky, we are actually seeing how it was sometime in the past. this is...
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