To be reasonably sure that your observation will apply to the group you are studying, you should select a sample from the population and ensure that the selection is unbiased. The participants are selected at random to ensure that all the individuals in the group get equal chance of being represented in the sample. This removes the sampling bias in the sample.
Answer:
listerine
Explanation:
lister listerine had to name it after himself.
Answer:
Explanation:
Continents are the seven main divisions of land on Earth. A continental shelf extends from the coastline of a continent to a drop-off point called the shelf break. From the break, the shelf descends toward the deep ocean floor in what is called the continental slope.
Answer: Exoskeleton
This is the answer to your question, hope it helps!
Before and after handling food, going to the bathroom, changing diapers, or touching pets, wash your hands with soap and hot water. To clean up spills or kitchen surfaces, use paper towels or clean cloths along with hot, soapy water. Use your washing machine's hot cycle to often wash cloths.
<h3>What is bacterial contamination?</h3>
When bacteria build up on food and make it spoil, this is called bacterial contamination. Eating that food can make you ill, either because of the toxins released by the bacteria or because of the germs themselves. According to bacteria contamination, there are three basic forms of foodborne sickness.
<h3>What is a typical bacterial contamination source?</h3>
The incidence, fate, movement, survival, and multiplication of pathogens in the multiple sites where they are found are all influenced by a number of factors, including contaminated manure, irrigation water, soil, cattle, and wildlife.
<h3>What is the most effective means of preventing biological contamination?</h3>
- Food handlers must always adhere to safe food handling procedures to reduce the danger of biological food contamination and slow down bacterial growth.
- Exclude high-risk foods from the temperature danger zone, such as meat, poultry, shellfish, eggs, and dairy.
- High-risk foods should be properly bought, stored, thawed, prepared, cooked, and served.
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