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Biology, 22.06.2019 09:40
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?
Answers: 1
Biology, 22.06.2019 17:30
Label the following as inner or outer planets; a) has 67 moons made mostly of hydrogen and helium b) has rings c)no moons, high volcanic activity d) known as the red planet, has 2 moons e) very thin atmosphere, moons or rings
Answers: 3
Biology, 22.06.2019 22:00
Which of the following molecules will diffuse most quickly across a lipid bilayer membrane? a. h2o b. o2 c. h2po4 d. glucose e. na+
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Biology, 22.06.2019 23:30
Which property is best to use when determining the strength of an ionic bond in a solid lattice energy conductivity hardness solubility
Answers: 1
A newly discovered organisms is placed into the kingdom Protista. It is microscopic and contains chl...
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