The curve on the left shows the height of the population of penguins . the curve on the right shows the population 5 years later. what has happened to this population?

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

Which statement describes john tuzo wilson’s contribution to the theory of plate tectonics?

Drag each description to the correct location on the image. not all descriptions will be used. describe the parts of a comet. the frozen part of the comet the atmosphere of gases and dust formed when the nucleus vaporizes tail made of small, solid dust particles tail made of ions that appears to point away from the comet's orbit