Answers: 1
Biology, 21.06.2019 19:10
What have we learned from fossil evidence about evolution? a) it is an abrupt change. b)the process is observable. c) it takes place during one lifetime only. d)the most complex traits are always selected.
Answers: 2
Biology, 22.06.2019 08:30
What are some natural processes that represent physical and chemical changes?
Answers: 1
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 12:30
When rutherford performed his metal foil experiment, he was surprised that most of the alpha particles
Answers: 1
What is a pure substance like carbon .?...
Mathematics, 14.07.2019 01:30
Mathematics, 14.07.2019 01:30
Mathematics, 14.07.2019 01:30
Mathematics, 14.07.2019 01:30
Mathematics, 14.07.2019 01:30
Mathematics, 14.07.2019 01:30
Mathematics, 14.07.2019 01:30
Mathematics, 14.07.2019 01:30
Mathematics, 14.07.2019 01:30
Mathematics, 14.07.2019 01:30