The periodic table houses noble gas elements in group 18. these elements are highly stable and rarely react with any other elements. what is one possible reason for the stability of the noble gas elements?

a.

they easily form covalent bonds.

b.

the compounds that they form with other elements are very unstable.

c.

their outermost shell has the maximum number of electrons that it can hold.

d.

they require less activation energy

What are examples of the plant life and animal life that can be found in each type of terrarium

How are fossils used to date organisms?

The lake of the ozarks is a human-made lake, so it collects runoff from coal strip-mining, fertilizers, resort wastewaters, and septic drainages. the average lake temperature is between 10∘c and 21∘c. consider the physical requirements for growth and multiplication that would allow fecal coliforms to “blossom” in the lake of the ozarks. which of the following would accurately describe these organisms? check all that apply. psychrophiles facultative halophiles extremophiles mesophiles hyperthermophiles