Answer:
Explanation:
Extraneous variables are variables in that could affect an experiment result and needs to be controlled. They are not the independent variable but they can occur if not well controlled in an experiment.
An extraneous variable becomes a confounding variable when it also changes with the variable that is to be studied bringing about alternative meaning to the experiment. It is automatically part of the experiment
Confounding variable should be avoided in an experiment to avoid results that are unclear.
Example of extraneous variables include environment such as temperature change, soil etc.
Answer:
Food scrapes
Explanation:
Food scrapes are hazardous waste, examples of household hazardous waste are; oil paints, motor oil, anti freeze, poisons, herbicides, pesticides, medical waste among others. Hazardous waste are waste with potential health threat to the public or environment.
Probably a pluvial erosion, where it is caused by the rains causing deep wear of the soils without vegetation. More precisely the erosion in splash, which is the effect generated by the impact of raindrops on the ground. Apparently simple, this process can cause greater problems if it is intensified by the total or partial disaggregation of the soil particles and the rocks, causing them to roll.
Answer:
Honor the child's decision
Explanation:
The investigator should respect and honor the child's decision.
According to the ethical guidelines given by the American Psychology Association, for any researcher or experimenter to conduct a research or experiment, he or she must follow the ethical guidelines. It should be written in the informed consent that the participant can withdraw anytime from the study and have the full right to not take part in the study at the point of the time.
