Which gas is forming in the test tube shown above?
A. carbon dioxide
B. hydrogen
C. oxygen
D. nitrogen
the answer is c!!

Drag each tile to the correct box. match the given symbol or molecular formula to the term that best describes it. element -organic compound -inorganic elemental molecule -inorganic compound -answers given: so2, k, ci2, c6h6

Depending on the organism the number of in a cell may change

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million