At about what age do children usuallt begin to say words

1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.

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

When the oxygen produced by photosynthetic plants in the water dissolves in the water, which of these is being formed?