im bored a s f btw if ur a guy and wanna be friends then like comment or wtvr cuz i need more guy friends but if ur a girl we can be friends too or like non binary or wtvr u identify as :) im j bored sum1 talk to me

Actual age your first developed of age well comparison age refers to absolute age true or false

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots

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?