Which statement is true about the appendicular skeleton of the human body? 1. it consists of two groups, the bones along the main axis and the bones that connect the limbs to the axial skeleton. 2.it consists of the vertebral column and all the bones that directly connect to it. 3.it consists of the bones that form the limbs and the bones that attach the limbs to the axial skeleton. 4.it consists only of the pelvic girdle and the bones that lie below it.

Aperson travels 35 km in 0.4hrs, followed by 53 km in 0.6 hr. what is the average speed

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?

All ova contain sex chromosomes corresponding to: x y xx xy