Answer:
Scientists throughly understand what dark matter is and what it does
New data could cause scientist to change their hypotheses about dark matter
Explanation:
Answer:
Herd immunity is a form of indirect protection from infectious disease that can occur with some diseases when a sufficient percentage of a population has become immune to an infection, whether through vaccination or previous infections, thereby reducing the likelihood of infection for individuals who lack immunity.
Explanation:
Vaccines create immunity without causing illness or resulting complications. Herd immunity makes it possible to protect the population from a disease, including those who can't be vaccinated, such as newborns or those who have compromised immune systems.
False
Homeostasis is defined as the process of resisting change in order to maintain a stable environment. It typically involves negative feedback loops as these loops prohibits the change to occur in the human body system and maintain a constant internal environment. While positive feedback is the process of amplifying the stimulus produced within the body.
Homeostasis is thus regulated by negative feedback loops and rearely regulated by the positive feedback loops.
you should
a. tie it back before performing lab work.
Using a Bunsen burner can cause your hair to loosen and ignite. Bring only your essentials to the lab. This means that all personal belongings such as bags and jackets should be kept outside. Long hair and loose clothing that can get caught in glassware or pose a danger in the laboratory should be withdrawn.
Wear proper clothing when working in the laboratory. Long hair, hanging jewels, loose clothing, and baggy clothing are dangerous in the laboratory. Long hair should be tied at the back. You need to secure the removed jewelery (if it's hanging long) and loose clothing. Shoes should completely cover your feet.
Learn about lab safety protocols here:brainly.com/question/8430576
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