An atom x has 26 protons and 30 neutrons. Atom x has an atomic mass of ______.

The best heat insulator among the following materials is ______.

In taxonomy, where do plants and animals belong?

What is the coolest of all gasses?

What do you call the device used to measure the blood pressure of a person?

Wave patterns of the electroencephalogram (EEG) of an awake adult are _______

What carries blood away from the heart?

It is the protein shell of the virus.

A solar eclipse can only happen when the moon is _______ .

Which illustrates conduction?