Describe the change that you made that led to the decrease in the size of the greenleaf population. Explain why the change led to a decrease in the greenleaf population size. (no science option again)

Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?

The diagram below shows a cell placed in a solution.a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution.only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it.it will expand as water moves into it. it will shrink as water moves into it.

Draw the lewis structure for the trisulfur s3 molecule. be sure to include all resonance structures that satisfy the octet rule.