The correct answer is an accumulation of microorganisms in deep marine environments.
Chalk rock refers to a pure form of limestone produced in tropical and warm seas about 100 million years ago in the Cretaceous period. The microscopic marine algae known as coccoliths thrived in the ancient seas. Their shells were comprised of calcite. With the death of the algae, their bodies sunk to the floor of the sea and sediment of chalk got deposited.
Over many years layers of chalk sediment got deposited and resulted in compaction of loose sediment into solid chalk rock.
<span>It is called the fimbriae.</span>
The answer would be C. because velocity describes the speed of an object in any given direction
The surface area of a sphere can be approximated as follows: Surface area = 4πr2; where r is the radius of the sphere; π is a constant that is roughly equal to 3.
Answer:
A function of a protein macromolecule is: Moving things in and out of cells. Transporting other molecules in the body. Protein macromolecule makes up the connective tissue in tendons. Moves things in and out of cells.
Explanation:
