Answer:
Most planets have an atmosphere but none has a hydrosphere like Earth does.
Explanation:
Cerebellum smoothes and coordinates the movement of skeletal muscle.
There is only one structure feasible for a tetrahedral molecule with such a formula, under the supposition that A is in the center of the tetrahedredon. In this case X and Y are in the vertices of the tetrahedron.
If you draw several figures changing the position of the X's and the Y around the center (A), you will see that all are equivalent.
This is the case of the product CH3Cl, named chloromethane, which, for the same reason given above, does not have isomers.
It is to replace old, worn out cells.
One single cell divides to two, etc. etc.
Answer:
it's d has the same genes
