In prophase 1 of meiosis, crossing over results in

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

As the human population grows, what happens to our natural-resource requirements? o they increase o they decrease o they do not change. they go in cycles

If a cell is placed into a hypertonic environment, what will happen to it ? a)it will shrink or shrivel b)nothing c)it will burst d) it will expand or enlarge