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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?
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Biology, 23.06.2019 05:50
Which of the following effects does the recessive allele have in an organism which also displays a dominant allele? a.the recessive allele will turn into a dominant allele b.the gene will have a disorder c.the dominant allele will become recessive d.it has no effect
Answers: 2
Biology, 23.06.2019 07:00
Mrs. dodge's class is studying minerals. mrs. dodge wants her class to complete a test to find out the color of minerals found in certain rocks. which test does mrs. dodge want her class to complete? a) smell test b) taste test c) streak test d) hardness test
Answers: 3
Trace the path of an egg from its follicle to becoming a newborn baby. How long does it stay in each...
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