B.
I'm pretty sure because, chemicals and pesticides can easily make insects more immune. So therefore the average pesticides will no longer work on them but also some may not be affected by the solutions.
Answer:
cells and structure
Explanation:
the place where they live cannot be a basis of classification
The oceanic plate melts and forms magma and sinks back into the mantle. The magma can erupt through the continental plate like a volcano. so in other words it would be volcanoes
All of these are necessary, but what you need the most I would say is
D. Movement
Without movement, your body can stiff up, causing muscle problems which can lead to many various things.