/>3. what makes carbon atoms essential to life? (1 point)
o carbon atoms bond with other carbon atoms, producing minerals that are essential to life.
o our bodies make carbon atoms, which are essential to life.
one carbon atom and two hydrogen atoms make up water, and water is essential to life.
o carbon atoms bond with other carbon atoms, producing large molecules that provide the backbone for the molecules that are essential to life.

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?