Your response should be 3-5 sentences minimum with justification for your answer. Astronomers estimate that the universe has about 100 billions of galaxies, each of which has about 100 billions stars. Given there are so many stars in the Universe, why isn't our night sky completely filled with starlight?

1. the passing of is the basis of heredity. 2. our encode the instructions that define our traits. 3. each of us has thousands of genes, which are made of and reside in our chromosomes. 4. in addition to our genes, the we live in also define our traits. 5. humans have two complete sets of chromosomes. 6. when parents conceive a child, each parent contributes set of chromosomes. 7. every child receives of its chromosomes from the mother and half from the father. 8. this transfer takes place at when the father’s sperm joins the mother’s egg. 9. while most cells in our bodies have two sets of chromosomes, or a total of egg and sperm each have chromosomes. 10. when egg and sperm unite they create a single cell called a 11. each parent contributes complete set of chromosomes to their child. 12. since the parents contribute the chromosomes to each new child, every child inherits a unique set of chromosomes. 13. as a result, every baby will have a combination of traits.

What are antigens and antibodies? how are they involved in the body’s response to incompatible blood?

Match each description of an object’s motion with the position-time graph that represents it. not moving moving with constant speed speeding up slowing down