An atom of gold has an atomic number of 79 and a mass number of 197. How many protons, electrons, and neutrons does this atom have

Heat engine x has an efficiency of 67%. heat engine y has an efficiency of 82%. which best compares these two heat engines?

Technician A says a refrigerant identifier is only needed when the technician is unsure of the refrigerant used in an AC system.

Where do most water molds and downy wildews live?

Describe a scientific method

Which of use following provides electrical safety?

when we examine the structures of the other terrestrial planets in our solar system, we see that their structure is similar to Earth's. Why do you think this is the case?

An ant is crawling along a straight wire, which we shall call the x axis, from A to B to C to D

How does a very heavy object resist sliding sideways when you push hard on it?

A go-cart traveled at 200 meters in 18 seconds. what was the average speed of the go cart?

A cartoon plane with four engines can accelerate at 8.9 meters per second squared