Answer:
That is administered and controlled
Step-by-step explanation:
A variable is the condition or a product that may vary without the influence of any investigator. Such variables can be found abundantly in our daily lives, ranging from air to sunlight. Controlling such variables ensures the limitation of their influence on the outcome of an experiment. In connection to this experiment, the variables that are controlled are the mineral content in the water, the amount of bacteria food, the amount of light and the the constant temperature of 20 degrees C.
If not administered or these variables controlled, the experiment would not clearly explain the impact of caffeine on the heart beat of the water fleas as other variables may have influenced it. Thus variables are controlled to study the singular impact of any agent or effect.
Answer:
in group 5. Organic Wastes
Explanation:
Remember in a chemical lab, in a hospital or in an industry there is always some wastes that need to be treated in an specific way. There are 19 categories in which the wastes need to be poured in order to be treated. The starch is an organic waste that normally is involve in biological processes. This waste is consider as a non - toxic, in this way can be join with other organic wastes as acetic acid, peroxide, etc.
I would say different
Like you like different genders
Answer:
Crossing over is termed as a process by which genetic materials are exchanged by non-sister chromatids during meiosis. Crossing over results in the new combination of information in genetic for, the cell for a specific trait. It ensures that organisms are identical from one generation to another.
Explanation:
I believe the answer is D.
