How is a net electric charge produced?

Which branches of natural science include the study of an organism that lived 10 million years ago

The government has declared that a hurricane is likely to hit the east coast. which government division is part of acf and provides guidance to citizens? a. job opportunities for low-income individuals b. office of human services emergency preparedness and response c. assets for independence d. low-income home energy assistance program

Why do astronauts in the space shuttle weigh less?