Explain why a satellite in polar orbit can take pictures of all the parts of the earth?

The cell membrane controls what enters and leaves the cell. which of the structures in the diagram below is the cell membrane? — f оооо

1. in what ways have non-native species been beneficial? 2. what are some of the hypotheses for the collapse of honeybee colonies? 3. distinguish between regional and functional extinction. 4. why is it difficult to measure background extinction rates? 5. what three factors are most important in causing extinction rates to climb?

Draw the conjugate acid for the following base. remember to include charges and non-bonding electrons where necessary.