What do you call the tool that summarizes all the chemical elements into a table? C. Elemental Table
D. Periodic Table
A. Table of Symbols
B. Periodic Tale of Elements

Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria

Most of the carbon on earth is stored in the form of

What is the main fuel source for the work of the cell