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Other than earth, is also known to have magnetic pole reversal? a: venus b: mars c: earths moon d: the sun

Which is the correct formula for photosynthesis

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?