Answers: 2
Biology, 21.06.2019 14:00
How are cellular respiration and photosynthesis different? cellular respiration assists breathing; photosynthesis aids pigmentation. cellular respiration breaks down glucose; photosynthesis creates glucose. cellular respiration creates glucose; photosynthesis breaks down glucose. cellular respiration releases oxygen; photosynthesis releases carbon dioxide.
Answers: 3
Biology, 22.06.2019 10:00
Veins have a much lower blood pressure than arteries. which of these prevents backflow of blood in veins? a. pressure applied by the heart b. one–way valves in veins c. thin muscular walls of veins
Answers: 2
Biology, 22.06.2019 10:10
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?
Answers: 1
What are three animal that have something in common? named them and why?...
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