Answer:
A. It is the most massive part of the atom.
The major cause of staghorn corals decline is, that some organisms in the same aquatic environment affect them negatively and harm them a lot.
<h3>What do you mean by Corals?</h3>
Corals may be defined as marine invertebrates organisms that are composed of colonies of skeletons underwater bodies.
Staghorn is so vulnerable because its branches are so fragile and break by any disturbances. This causes the staghorn to ultimately disintegrate and die.
Therefore, it is well described above.
To learn more about Staghorn corals, refer to the link:
brainly.com/question/11632069
#SPJ1
The type of learning that involves problem-solving is called insight.
Answer:
I think the greatest invention of 21st century is 3d printing.
Because it allows the creation and manufacture of geometric impossible figures, for traditional methods to produce.
Means any given Design can be manufactured in a wide range of different materials.
