Which organism is an annual
a. sequoia is tree
b. pea plant
c. moss
d. fern

The many volcanoes located along the edge of the pacific ocean make up the ring of fire. how does subduction play a role in the volcanic activity in the ring of fire?

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

Which of the following is not a possible effectof increasimg carbon dioxide levels in the atmosphere ?