Answer:
1. Biopsy: doctors take out tissue for testing at labs
2. Physical exam: doctors check your lips & mouth to look for anything that shouldn't be there (like sores or white patches)
Explanation:
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do you play the defender position?
Answer:
Explanation:
We need to write the value of 
. It is a well known identity of algebra.
Here,
b and c are any number.
We know that,
b² = b×b
bc = b × c
Hence, this is the required solution.
Answer:
<u><em>fixed-ratio</em></u><em>; </em><u><em>variable-ratio
</em></u>
Explanation:
The fixed ratio is a reinforcement method. <em>Reinforcement is given in this method after a number of responses have been completed. </em>
<em>The number of responses expected continues to be constant.</em>
A variable-ratio schedule is a reinforcement schedule where an unknown number of responses reinforce the response. <em>This routine produces a reliable, high response rate. </em>
<em>Betting and casino activities are great examples of a payout dependent on a schedule for a variable ratio.</em>
A. hepatitis C
B. syphilis
C . hepatitis A
are typically spread by droplet transmission .
hope it is helpful to you
