Ahydrocarbon has molecular formula c3h8. identify the class of hydrocarbons it belongs to.

In general in which direction does wind blow

Which of the following birds remained ancient looking in the miocene epoch? a. crows b. owls c. grouses d. none of the above

Astudent is looking through a microscope at some cells of an onion root tip. many of these cells are undergoing division since the root tip grows quickly and requires more cells. which cell most recently underwent metaphase? w x y z