Natural consequences should be avoided when:
A. They would upset the child
B. They could cause injury or harm.
C. They are inconvenient
D. They could cause embarrassment to the child
E. There is not enough time for them

What percentage of light hits earth's surface directly?

1) what three conditions must be present for minerals to form through natural processes? 2) why are minerals considered inorganic substances? 3) how do oxides differ from other minerals that contain oxygen atoms? 4) how is a sulfide different from a sulfate? what makes native elements unique?

Most animal cell membranes have proteins that pump. ions out of the cell and potassium ions into this