Andrew Jackson was a man who work very hard at his adulthood and became rich due to his hard efforts
he was inherited with wealth ,he was very humble person and was born poor and was a common man
so correct option is D hope it helps<span />
As diatoms are made from silica this makes diatomaceous earth very abrasive, and so the sharpness enhances the particles as a pesticide. Diatoms are also useful in forensic studies. If a person has drowned then diatoms are able to enter the human body.
You would use a beaker because it measures liquids and solids by volume.
To get a more accurate measurement, you should weigh the liquids. That process of measurement would give you the greatest accuracy.
Dinoflagellates is the algal divison.
The biological species concept is the most widely accepted species concept. It defines species in terms of interbreeding.
hope this helps. :)
