according to the principle of segregation, a. dominant genes will always mask recessive genesb. gene pairs for a trait are combined during fertilizationc. gene pairs for a trait are split during the formation of gametesd. traits are determined by heritable factors called genes and genes

Identify the examples in which sam interacts only with natural resources

What are examples of the plant life and animal life that can be found in each type of terrarium

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 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?