Answer:
because they were interanls
Explanation:
Answer:
why was the discovery of pencillin important?
Penicillin discovery came as a result of the plague that rages St Mary's hospital in 1928, the discovery by a man called Alexandra Fleming which drastically reduce the death rate. Penicillin is an antibiotics that is gotten from mould and it has different strains/species
Explanation:
B just specialized beaks pls put the answer like Brainly answer
Answer:
A control variable is the variable in the experiment that does not change.
Explanation:
If you are testing how seeds grow in different types of water, and you add 1tbps of salt to one pot of water with the plant, and then added 2tbps to another pot of water with the plant. The control variable in this experiment would be the water with no salt because it was not altered.
FYI I did not pull from google. Good luck!
Answer: The aspects that is common in all the chromatography is that all the chromatography has a mobile phase and a stationary phase.
Explanation:
The chromatography can be defined as a separation technique of the mixture. The mixture in the fluid is the mobile phase and the structure holding the material is the stationary phase.
The separation is based on the differential partitioning between the stationary phase and the mobile phase.
This technique is also helpful in removing the impurities from the substances.