Nitrogen
Oxygen
Carbon Dioxide
Hydrogen
A. Nitrogen
H2SO4
HCl
CH3COOH
NaOH
CO
CO2
CH4
C6H12O6
O2
H2O
CO2
CH4
Mars
Jupiter
Saturn
Mercury
Nitrogen
Oxygen
Carbon Dioxide
Hydrogen
Fyodor Dostoevsky
Leo Tolstoy
Victor Hugo
Jane Austen
F. Scott Fitzgerald
Ernest Hemingway
Mark Twain
Harper Lee
Vincent van Gogh
Pablo Picasso
Leonardo da Vinci
Claude Monet
Isaac Newton
Galileo Galilei
Johannes Kepler
Albert Einstein
Tennessee Williams
Arthur Miller
Anton Chekhov
Henrik Ibsen
Carbon Monoxide
Nitrogen
Oxygen
Sulfur Dioxide
Yuri Gagarin
John Glenn
Neil Armstrong
Valentina Tereshkova
Mars
Venus
Jupiter
Saturn
London
Berlin
Paris
Madrid
CH3COOH
H2SO4
NaOH
C6H12O6
Oxygen
Osmium
Fluorine
Carbon
Carbon Dioxide
Nitrogen
Oxygen
Methane
Vincent van Gogh
Leonardo da Vinci
Pablo Picasso
Claude Monet
Salvador Dal�
Pablo Picasso
Vincent van Gogh
Leonardo da Vinci
CH4
CO2
H2O
C6H12O6
Venus
Mars
Jupiter
Saturn
SiI
AgI
SiO
AI
CH3COOH
NaOH
H2SO4
HCl
William Shakespeare
Anton Chekhov
Tennessee Williams
Henrik Ibsen
Amelia Earhart
Bessie Coleman
Sally Ride
Valentina Tereshkova
0
1
2
3
Nicolaus Copernicus
Johannes Kepler
Galileo Galilei
Tycho Brahe
Nucleus
Mitochondrion
Golgi Apparatus
Endoplasmic Reticulum
NH3
H2O
CO2
CH4
CPU (Central Processing Unit)
GPU (Graphics Processing Unit)
RAM (Random Access Memory)
Hard Drive