UM- LFJKAHFAJF SIS WANTS US TO ANSWER ALL OF THEM SKSJSJJS
So if it's 20% adenine (A) then it's 20% (T)...because A always pairs with T. That adds up to 40%....60% therefore is G+C...so you'd have 30% Cytosine (C) and 30% Guanine (G).
Answer;
Realtime zoom
Explanation;
Zooming changes the magnification of the objects on the screen.
-When performing realtime zoom, the command active, pressing and holding the left mouse button and moving the cursor up to zoom in and down to zoom. After achieving the display that is wanted, the mouse button is released.
Carbon forms Covalent Bonds.