craters
Transistor is called Bi-Polar device because the current can be flow due to electron and holes, hence it is called bipolar.
Two, male and female. Connectors with prongs are called male gender and those with holes female gender plugs. When you push them together they slot into each other allowing signals or current to flow. There are even connectors which have both prongs and holes and these are called bi-gender connectors. Being an inncoent young man I cannot for the life of me understand how the names came about.
season three or four...... but mostly three.
plasma membrane of the cell
it is called bicuspid
Bi-racial or bi-national
Neap
It is a bi-layer of phospholipids, also called the 'phospholipid bilayer'.
Well "bi" means two. This means that your BI plane has two wings.
Lady Gaga has stated that she is bi in many interviews, so that's how we know that she is bi.
two
a bi-plane