This refers to a set of research and development of technology initiatives occurring between the 1930s and the late 1960s that increased agricultural production worldwide, particularly in the developing world, beginning most markedly in the late 1960s.

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only

How can an organ, such as the lungs, work for multiple body systems?

80 points pls 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?