What would most likely happen to cells placed in fresh water ?

a. water would flow out of them because they are hypotonic to the external environment
b. water would flow into them because they are hypotonic to the external environment
c. water would flow out of them because they are hypertonic to the external environment
d. water would flow into them because they are hypertonic to the external environment

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

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.

Why is it incorrect to say that mitochondria function only as energy factories with cell