N an experiment the "control" is the group of people or object this is used to measure the effect of the variable. The "control" is the thing that does not change and is not the thing in question.
In an experiment the "variable" is the thing which is changed and manipulated by the experimenter. It is the effect of something,
Example: You want to test a drug. you get a group of 40 people. 20 people are given the pill, 20 people are not given the pill but a sugar pill. the people who have the pill is the "variable" and the people who dont have the pill is the "control".
Answer:
correct sequence:
make an observation
ask questions
construct a hypothesis
test the hypothesis
analyze the results and make conclusions
communicate the results
Explanation:
Scientific method is a set of steps made in order to perform a proper and valid scientific investigation.
Everything starts with an observation, finding something unusual or interesting that we want to test. After choosing our field of interest, we continue to ask a question; why is something the way it is and what is the reason for that?
Every question needs an answer so we propose a possible answer or a hypothesis. Of course, this doesn't have to be correct or final explanation, but it will be the answer which will we put to the test.
After constructing a hypothesis, we need to test it through researching or experimenting in which we will obtain some date.
Results of our experiment in the form of data must be analyzed and used to confirm or denied.
These results, whatever they may be, will help us to make a conclusion which we'll finally communicate, showing it to the other researchers.
Answer:
The correct answers are option a. The greater the undifferentiated cell count, the more aggressive the cancer and b. Malignant tumors have the potential to kill the host.
Explanation:
Anaplasia is a medical term used to describe a condition of cells with poor cellular differentiation. It is known that the great the anaplasia, the more aggresive is the cancer. The tumors that have this characteristic are known as anaplastic carcinoma. This malignant tumors have the potential to kill the host when they metastasize to other organs.
The following are some signs of an allergic reaction: watery, irritated eyelids. 1) Runny nose 2) Coughing. 3)A blocked nose 4)Rashes 5)Hives (a rash with elevated red spots) (a rash with raised red patches) 6) Stomach pain 7)Vomiting.
How much time may an allergy last?
It can take a couple of hours or ten days. It normally lasts between 12 hours and 3 days. Effects can last for two to four weeks even with treatment.
What allergy is the most severe?
Anaphylaxis, also referred to as anaphylaxis, is the most extreme kind. Individuals with chronic of allergies in their background are more likely to experience allergic reactions.
oral antihistamines. Antihistamines can helps with watery eyes, a stuffy or runny nose, coughing, and itching.
To know more about Anaphylaxis click here
brainly.com/question/29697308
#SPJ4
It protects the Earth from becoming over heated, but with pollution, global warming has become more apparent because of the destruction of the ozone layer
