Which organelle changes chemical energy into a form that is usable by the cell? a. mitochondria b. ribosome c. nucleus d. cell wall

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.

What causes temperature extremes in the desert

The image below shows a weather service map. which details best describe this map? check all that apply