Questions

The oldest generally accepted fossils of large animals range in age from 565 to 550 million years old.

The hormone adrenaline also called epinephrine is known as a stress harmone. In emotional upset (like fear, anger etc.) this harmone is poured into the blood and it accelerates heart beat. The hormone acetylcholine decelerates heartbeat rate.

The nucleus of hydrogen consists of only a single proton.

Its parts are a single negatively-charged electron that circles a single positively-charged nucleus of the hydrogen atom.

The electron is bound to the nucleus by the Coulomb force.

In each circle, starting at the  top left segment ,numbers increase, as you move clockwise,by 2 for the upper left circle,3 for the upper right, 4 for the lower right and 5 for the lower left

The task manager enables you to monitor processes, applications and services currently running on your computer. You can use it to start and stop programs and processes. In addition, you can use the task manager to show informative stats about your PC’s performance and network.

Hence, to delete a program from the hard drive, you have to go to the control panel to uninstall an application properly.

To display current date and time in MS Excel, we use Now() method.