A disadvantage of using a sentence outline instead of a topic outline is that a sentence outline is often time-consuming.
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B: <span>They can differentiate into more </span>cells<span> than adult </span>stem cells can.<span>They can differentiate into more </span>cells<span> than adult </span>stem cells<span> can.</span>
Answer:
<em><u>A. Neither the subjects nor the researchers can bias the results.</u></em>
Explanation:
As described, a double- blind study is one in which the researcher and his study does not know the person receiving the actual treatment.
Researchers can be bias in their studies as they seek to establish and fine tune results in the way the best favors them. A double-blind study helps to bridge this gap to prevent bias that might be introduced into an experimental set up or while interpreting results.
Answer:
the answer is under explanation.
Explanation:
The body produces a chemical known as histamine, in an effort to protect the body from foreign substances, which is partly what causes the swelling and itching. Taking an over-the-counter antihistamine such as Benadryl right after getting stung can reduce these symptoms.
Answer:
B) be able to be disproven
Explanation:
Scientific investigations involve the use of scientific methods, which is a principled guideline for scientific observations. One of the steps of the scientific method includes formulating an hypothesis, which is a predictive statement about the possible solution to an observed problem. This hypothesis is FALSIFIABLE i.e it must via experimentation/testing be proven to be false.
This qualifies a happening or phenomena as SCIENTIFIC. It must be able to be repeatedly tested for the purpose of disproven or falsifying the hypothetical claim.