Most environmental hazards, like infectious pathogens, must reach human hosts if they are to cause harm. Think of five or more environmental agents that can cause disease in humans and, for each, describe two or more routes by which people might be exposed to them.

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?

Jane has a sprained ankle, and her doctor gave her a prescription that states: “ibuprofen caps 200 mg tid po.” what does this prescription say, in spelled-out form?

Qué sucede cuando una persona tiene muy poco o demasiado costeroides?