Listing a species in accordance with the endangered species act will not do that species much good unless

What statements accurately describe atoms

1. jay fills a wagon with sand (about 20 kg) and pulls it with a rope 30 m along the beach. he holds the rope 25° above the horizontal. the rope exerts a 20-n tension force on the wagon. how much work does the rope do on the wagon?

Photons with the highest energy have the longest period