Answer:Carbon dioxide molecules
Explanation:
Shells are the exoskeletons of clams, snails and oysters. Hope that helps
The correct option is BY CONDUCTING EXPERIMENTS THAT EXPOSE THEIR PROPERTIES.
Scientific investigations are always ongoing in all parts of the world, scientists strive to build on existing knowledge by carrying out more experiments that are targeted at obtaining more information above that which is already known.
The answer is B !
as in A , it is said AGAIN REPLICATION which is wrong !
in C , the cell half's at cytokinesis not in telophase
in D, cytoplasm does not divide in telophase , it's only nucleus that is fully divided in telophase !
so ANSWER is B
<span>C. Single events or several causes working together to produce extinction in a short period is referred to as mass extinction.
Example:
</span>Destruction of forests, mountains, and bodies of water to satisfy human needs result to the imbalance of nature which also give rise to global warming.
Animals and plants have lost their habitats. They lost their means to live. They lost their food sources and they suffer and die because of humans irresponsible acts.
hope I helped!!