The bone that is located at the center of the rib cage is called STERNUM.
There are 24 ribs in the human body and these are divided into two set of bones. The first seven bones are called true ribs and attached by cartilage directly to the sternum, which is at the center of the rib cage. Three of the remaining ribs which are called false ribs are attached to the sternum indirectly while the remaining two, called floating ribs are not attached to the sternum.
Answer:
<em> Plants mostly acquire carbon present in the atmosphere. ... Carbon is also removed by conversion of reduced carbon to organic tissues or carbonates to hard body parts.</em>
Answer:
option c is the correct answer of the question
Answer:
Asexual reproduction does not involve the fusion of gametes or change in the number of chromosomes. Sexual reproduction involves combining genetic information from two individuals of different sexes. Asexual reproduction results in offspring that are genetically identical or mostly identical.
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Answer: is 84.78 mm^2
Explanation:
we will first find out their areas, the area to be found is of a circle 
R^2
for the first one,
R=radius
pi=3.14
so,=3.14*(3mm*)^2
=28.26mm^2
for the second one
=3.14*(6mm*)^2
=113.04mm^2
their differences are equal to 113.04 - 28.26
=84.78 mm^2
