All Gastropods Have A Hard Calcium Carbonate Shell.

Mollusks exchange gases with the water through their gills. These shells are made of aragonitesecreted by the mantlelining in Fig. Snails Basic Facts About Snails Science Spatial Learners In 2021 Snail Basic Facts Facts Our data support and validate the previous claim that snail shells are comprised of 95999 calcium carbonate. All gastropods have a …

A Hard Drive Is An Example Of Primary Memory

RAM is the example of Primary Memory. Primary memory is a segment of computer memory that can be accessed directly by the processor. 7 Storage Devices Of Computer Computer Storage Devices Bubble memory 1970 Floppy disk 1971 v. A hard drive is an example of primary memory. It is usually installed internally in a computer …