Viruses, bacteria, fungi, and parasites are all different types of infectious agents that may cause disease. What do these agents have in common? A.
They can all be spread from one organism to another.
B.
They can all be prevented with a vaccine.
C.
They can all be treated with an antibiotic.
D.
all of these

What is the compliment dna strand to the following sequence: ttgactaggcta

Me brainliest 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?

Someone with these questions! pls 30 pts