Both nuclear power plants and the coal or natural gas power plants use steam to turn turbines to generate electricity. elaborate on why one might choose nuclear power over the fossil fuel power plants. a) isotopes contaminate the surrounding environment making it uninhabitable for people and animals. b) nuclear power has far less environmental impact than using coal or natural gas to produce electricity. c) radioactivity is the wave of the future and the only sustainable energy source currently available to us. d) radionucleotides used in nuclear power plants are very expensive and not cost effective compared to other fuels.

Describe the two types of vascular tissue

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a.an ionic bond is formed between the oxygen and carbon atoms. b.four valence electrons are shared. c.two valence electrons are shared. d.valence electrons are shared between oxygen atoms.

20 point pls brianliest 1. what does a red shift mean? blue shift? 2. describe the big bang theory. according to this theory, how old is the universe? 3. scientists believe the universe is expanding. what is the evidence that supports this? 4. describe a nebula. 5. describe the 3 types of galaxies. what is a barred spiral galaxy? 6. what is a light year? how far is alpha centauri from earth? 7. describe the universal law of gravitation. be sure to include gravitational force between two objects. 8. describe the planets’ orbits around the sun. 9. what is the asteroid belt? where is it located? 10. describe rotation and revolution of earth. what determines an earth day and year? 11. how do galaxies exist? 12. compare and contrast the inner and outer planets. 13. what causes the seasons?