Answers: 3
Biology, 22.06.2019 09:40
80 points pls 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 planetsโ 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 10:30
If there are 350 trout found in 200 square feet of a pond measuring 1000 square feet what is the estimated trout population of the pond? a. 1350 b. 1550 c. 1750 d. 2000
Answers: 3
Biology, 22.06.2019 11:30
What is the main difference between the central nervous system (cns) and the peripheral nervous system (pns)? .the cns involves the brain and spinal cord, and the pns involves the body nerves. the cns involves the body nerves, and the pns involves the brain and spinal cord. the cns involves sensory neurons, and the pns involves motor neurons. the cns involves motor neurons, and the pns involves sensory neurons.
Answers: 1
Biology, 22.06.2019 12:00
Which of the following is not associated with invasive species?
Answers: 1
CE Most people lose 100 to 200 hairs per day. If you were !
to lose 150 hairs per day for 10 days,...
Mathematics, 21.08.2019 09:00
Mathematics, 21.08.2019 09:00
History, 21.08.2019 09:00
Computers and Technology, 21.08.2019 09:00
Mathematics, 21.08.2019 09:00
Chemistry, 21.08.2019 09:00
English, 21.08.2019 09:00
Health, 21.08.2019 09:00
French, 21.08.2019 09:00