I believe the answer is b.
Answer:
two guard cells
Explanation:
Stomata are the pores found on the surface of leaves and some stems. They are formed from two guard cells (bean-shaped cells) joined at their ends, forming a pore.
Answer:
similar halves on each side of a single plane
Explanation:
Answer:
Scientists use the fossils around the new fossil to find its relative age.
Explanation: