Answer:
B. Rock Layers
Explanation:
The definition is a layer or a series of layers of rock in the ground.
Answer:
Which statement is true about biodiversity?
Human activity can improve, maintain, or hurt biodiversity
Explanation:
Biodiversity entails having different varieties of organism spread all over every habitat across the globe. Human activities could help biodiversity as well as reduce it drastically
Answer:
A) Neither; they both have the same frequency.