Answer:
the most common variables found in a science experiment include dependent, independent, and controlled.
Explanation:
The heart is made of involuntary cardiac muscle. to help you remember, cardiac is defined as “relating to heart” so if you’re ever stuck in this question again, look for the word “cardiac” and “heart”
Answer:
Starch and water will be the best negative control
Explanation:
Negative control sample is a sample that will not give change in an experiment.
Starch and water will be the best negative control. This is because, starch is broken down by HCl to monosaccharides in the Benedict test which is the test for reducing sugar
Distilled water remain a negative control because it remain blue which means it does not reduce sugar with starch solution.
Water plus us a negative control for Buiret test (protein) and Benedict(reducing sugar) because it does not indicate the presence of protein and reducing sugar.
Answer: It can affect the baby because Listeriosis is caused by the bacteria in soil the name of it is Listeria monocytogenes. The disease can survive in soil for many months just like bacteria... Babies can become infected in utero or at birth.
Answer:
Top 10 Inventions That Changed the World
The compass. ...
The printing press. ...
The internal combustion engine. ...
The telephone. ...
The light bulb. ...
Penicillin. (Image credit: National Institutes of Health) ...
Contraceptives. (Image credit: Public domain) ...
The Internet. (Image credit: Creative Commons | The Opte Project)
