4. When electromagnetic radiation (light) is produced it usually takes two steps. One will be an endogonic step (endogonic=endothermic) and another will be an exogonic (exogonic=exothermic). These steps are
what you described in both interpretations #1 and #2 above. You are to clearly describe which
step is the endogonic and which is the exogonic. Provide a brief explanation to back up your response.

This element exists in adundance in the sun.explain how you would go about capturing sunlight.would this captured sunlight contain any of the element?

When a beta particle is emitted, the mass number of the nucleus a. decreases by one b. increases by one c. remains the same d. decreases by two

what is your question? collegechemistry 5+3 pts in november 1987, a massive iceberg broke loose from the antartic ice mass and floated free in the ocean. the chunk of ice was estimated to be 98 mi long, 25 mi wide, and 750 ft thick. a typical backyard swimming pool contains about 24,000 gallons of water. how many of these pools could you fill from the water in this iceberg? (assume the iceberg is a rectangular solid of the above dimensions and consists of water only). express answer in scientific notation.