You are designing a sustainable living space for the Mars Colony Mission. The colony will have plants growing inside of it to recycle the carbon dioxide. You need to determine what type of lighting will be most beneficial to the plants. First you pick a small set of sample plants and grow each in a different lighting. What is the BEST way to measure their effectiveness? A. Measure the oxygen produced by the plant using a gas syringe. B. Measure the pigment density in the leaves using a spectrophotometer. C. Measure the height of the plant with a ruler. D. Measure the carbon dioxide produced by the plant using a gas syringe.

Match with o for organic and i for inorganic for each compound

Do you think the gene eef1 alpha1 supports cell theory? explain your response.

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?