QUESTION 2 Five hundred years ago, what proportion of children died before the age of 5?
O 1 in 3
O 1 in 100
1 in 50
O 1 in 1000

Which of the following is a way that minerals are used? a. industry construction technology d. all of the above

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

When a cell is in a solution that has the same concentration of water and solutes as its cytoplasm, the cell is said to be in a(n) solution. a. isotonic b. hypotonic c. hypertonic b. facilitated