Which factor that contributes to cancer increases with exposure to the sun? radiation asbestos tobacco genetics

Groups of organisms with low biotic potential, such as gray whales, that produce at most one offspring every other year a) are r-selected b) are k-selected c) are not subject to density-dependent limiting factors d) show the initial stages of the extinction process e) have escaped from the processes of natural selection and adaptation

What best describes lactic acid fermentation?

When analyzing tree rings, what do scientists assume a thin ring indicates?