A reflex, or reflex action, is an involuntary and nearly instantaneous movement in response to a stimulus. ... The reflex is then an automatic response to a stimulus that does not receive or need conscious thought.
1. 243, 729, 2187 the first one looks like 3 is being multiplied each time.
2. 32,16, 8 each number is divided by 2 to get the next number.
a would be the answer because protista were the first to be on earth and they had eye spots which could they could barely see out of and then their eyes evolved along with their body and everything but the answer was a
The answers are
1. nitrogenous
2. acid-base
3. fluid
The correct option is A.( Lens )
The eye piece is the part of the telescope that one looks through and is the part that makes the focused light visible to the eye. The eye piece is made up of magnifying lenses.