Why were astronomers interested in studying radio waves in the 1980s and 1990s?

What do the movies superbad, apocalypto, and dogville have in common 1. all shot on film 2. all shot on digital or hd

Whereas traditional stock agencies showcase the work of professional photographers, anyone can submit to microstock agencies, provided images meet the criteria that the microstock agency has set up. true or false?

Which sentence contains a comma splice? marco rode to school on his bicycle this morning, he arrived an hour early.marco, who enjoys riding his bicycle to school, arrived just before the bell today.marco rode to school on his bicycle on monday, tuesday, and wednesday.marco, who rode to school on his bicycle this morning, arrived an hour early.mark this and returnsave and exit