For everyone out there who think i hate you... I don't. Those of you who hate me, oh well hate me, hurt me, do whatever you want. those of you who have hurt me i wanna thank you, you made me into the person i am today. I would rather help others be happy than pay attention to me and use my own advice to make myself happy. Everyone out there who thinks they know me... you don't know the first part about me... and for everyone i don't know... Your terrific the way you are, don't change for anyone... btw if anyone wants to talk im bored and Free points

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

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?

How do all types of diffusion/passive transport actually ‘work’ without using even the smallest amount of cellular energy?