Why is the scientific method described as nonlinear?a. The steps of the scientific method are repeated in a cycle.
b. Scientists often repeat one or more steps several times.
c. Sometimes scientists forget to perform some of the steps.
d. The steps can be performed only once but in any order.

Answers

Answer 1
Answer:

The correct option is B.

The scientific method refers to the technique which scientists used to carry out scientific investigations about observed phenomenon. The scientific method is made up of many steps and the steps are described as non linear because, scientists sometimes have to repeat some of the steps several time in order to ensure that they are on the right track. Repetition is very important in scientific investigations; it is used to ensure that the results obtained are accurate and bias is minimized.

Answer 2
Answer: The scientific method is described as nonlinear because scientists often repeat one or more steps several times. The correct option among all the options that are given in the question is the second option or option "b". I hope this is the answer that has come to your desired help.

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Answers

Explanation:

Cardiovascular disease. Cardiovascular disease (CVD) is a general term for conditions affecting the heart or blood vessels. It's usually associated with a build-up of fatty deposits inside the arteries (atherosclerosis) and an increased risk of blood clots.

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The number of organisms in a food pyramid decrease as the trophic level

Answers

Normally, the number of organisms in a food pyramid decreases as the trophic level increases. But in some cases, the pyramid may be inverted, for instance, when the productor is a single tree, and beetles eats its leaves, and birds eat the beetles. There is the biomass pyramid too, that represents the amount of mass present in the organisms of the food chain.

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Answers

Answer: The order of gut development

Explanation:

A protostome and a deuterostome can be differentiated from each on the basis of order of gut development.

In case of protostome spiral cleavage and determinate take place in which the development of mouth takes primarily and development of anus takes place secondarily.

A deuterostome radical and intermediate cleavage takes place in which development of anus takes place primarily and mouth takes place secondarily.

Answer:

In protostome development, there is spiral radical and indeterminate cleavage. The blastopore becomes the mouth and the coelom forms from the mesoderm. In deuterostomes development, radial and indeterminate cleavage take place.

Explanation:

Hope this helps

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Answers

Explanation:

As we are not able see the exchange of atoms that takes place during a chemical reaction, we look for physical changes that takes place at that time. A change in color and temperature, formation of a precipitate and emission of light and gas are some of the visible changes that assures that a reaction has taken place.

A change in the contolled veriable. Such as a color change, state of matter change, a reaction like oader, bubbling or tempature change.

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Answers

Answer: A biotic factor that impacts food chains and trophic levels

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Answers

The answer is (2.) platelets, plasma, erythrocytes, and leukocytes.