Answer:
The correct option is A.
A. Small test pits can be conducted in an undisturbed part of the surveyed area to find buried artifacts that may not be readily seen on the surface.
Explanation:
This is because archeological survey refers to the study , exploration and digging of sites to obtain archeological remains. The basic sim of this is to get remains that are not visible to man underneath.
usually , the sites are dug out by a shovel so as to determine whether the soil contains any archeological emains that cannot be seen on the surface. This involves the action of excavating the out something or remains especially an archaeological site.
B. "the nameless grace/Which waves in every raven tress" is correct.
Spindle Fibres are those structures which move chromosomes only during cell division.
And these spindle fibres are formed by the command of centrioles which during the process move to the on the opposite poles and helps the cell to prepare for division.
Answer:
pump blood with greater pressure
Explanation:
this is because it pump blood with greater pressure
Answer:
1. Light first enters the eye through the cornea.
2. The retina is the light absorbing layer of the eye that contains the rod and cone cells.
3. A cell in the retina that is responsible for black and white vision, as well as night vision is a rod.
4. A cone is a cell in the retina responsible for color vision.
5. rhodopsin is a protein found in rods; it is needed for night vision.
6. One type of preformed vitamin A, retinal, can be converted from retinol.
7. The name for the family of substances that are all types of preformed vitamin A is retinoids.
8. The process called bleaching occurs when light enters the eye and interacts with and changes rhodopsin, causing dissociation of vitamin A from rhodopsin.
