Afossil that is widespread geographically but only occurs in one or a small number of rock layers is called
a rare fossil
a marker fossil
an intrusive fossil
an index fossil

Aempty box is shaped like a rectangular prism the box has a base area of 9/10 square foot and a height of one-third foot how much packaging material is required to fill the box is it

This word for a bug or malfunction was popularized in the 1962 book into orbit by the mercury astronauts

Residents of moldova are mainly a. russian b. ukrainian c. serbian d. romanian the answer is d. romanian