What type of covalent bond forms between two nitrogen atoms? hel pl rnnn

Suppose that recording station n is located 200 km north of the epicenter of an earthquake, and recording station s is located 100 km south of the epicenter of the same earthquake. which of the following statements would be true?

How to tell if two objects are in thermal equilibrium 1.the objects have the same temperature 2.the objects are the same size 3.the objects are touching each other 4.the objects temperatures are changing

What component of earth’s atmosphere exists entirely as a result of photosynthesis?