Answer:
They use a hard shell, but not hard enough though because we humans can get through them hehehe
<span>The corpus callosum is the superficial organ of the cerebral cortex that coordinates the activities of the body through the right hemisphere and the left hemisphere. The combined form occurs through synchronization of both hemispheres of the brain and is connected by the corpus callosum.</span>
B false, every time it drops by a power of 10
Sedimentary because it is made of layers of sediment and fossils can easily get mixed in
