Who invented the first Social Media app?

Based on your observations of porto alegre and houston, what would you conclude about the longest and shortest days for the two cities on opposite sides of the equator

Do you want brainliest + free points? answer this question correctly. why is it important to make sure a police report is properly filed after a collision? a. it's the official account of what happened. b. if you have the police file a report, you can't be fined. c. if you have the police file a report, your insurance won't go up. d. if there's no report, an auto repair shop won't fix your vehicle.

Compare and contrast the environmental consequences of reliance on coal with reliance on petroleum.