Read information about the West Nile virus and its effect on the bird population in the state ohio. If the state has not been affected yet, choose another state that has. In your state, how many birds have tested positive for West Nile virus? Estimate what percentage of the total resident bird population this number represents.

What is used to keep track of the gamates and possible offsprings combination

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?

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.