D. secondary
Two groups: primary and secondary
The primary groups has stronger and deeper relationships with its member/s than secondary groups, many of which are superficial gatherings and surface dealings.
Primary groups include:
1. Family
2. Lover
<span>3. Husband/Wife </span>
Secondary groups:
1. Colleagues
2. Classmates
3. Friends
<span>4. Acquaintance</span>
By the animal adapting they are able to reproduce more efficiently
Answer:
move away from the windows
Explanation:
#FreeMelvin
Answer:
"Buffers in gel electrophoresis are used to provide ions that carry a current and to maintain the pH at a relatively constant value. These buffers have plenty of ions in them, which is necessary for the passage of electricity through them."says Google.
Answer:
The options are
tapping the base of the pipette on the table
using subtraction to determine the volume dispensed
making sure that you read the volume with the liquid inside the pipette at eye level
reading only the final volume of liquid after dispensing
ensuring that air bubbles are not in the column of liquid inside the pipette
The answer is
using subtraction to determine the volume dispensed
making sure that you read the volume with the liquid inside the pipette at eye level
ensuring that air bubbles are not in the column of liquid inside the pipette.
Explanation:
A pipette is an instrument used in the laboratory for transporting and movement of liquid substances for various experiments. It is usually graduated to ensure accurate measurements of the liquid substance.
To ensure accurate reading of volume from a graduated pipette, precautions listed should be taken:
Using subtraction to determine the volume dispensed
Making sure that you read the volume with the liquid inside the pipette at eye level
Ensuring that air bubbles are not in the column of liquid inside the pipette.
