How would you use the
h-r diagram to determine which elements could be produced from the different stars?

writing prompt.

Which term describes the number of waves that pass a given point in a given time? crest frequency trough wavelength

One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.

As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes