The sac that surrounds and protects the heart is called the:

The arrows in the illustration point to

Try to answer all questions if possible i will take anything this is worth 21 ! ! 1. what rights do citizen's have in a monarchy? 2. what countries practice monarchy? 3. what is one advantage of a monarchy? 4. what is one disadvantage of a monarchy? 5. what rights do citizen's have in a dictatorship? 6. what countries practice dictatorship? 7. what is one advantage of dictatorship? 8. what is one disadvantage of dictatorship?

Which claim correctly describes how genes can produce a phenotype? one gene is responsible for all traits. each trait is determined by a single gene. one gene can be responsible for many traits. each gene is responsible for exactly one trait.