Answer: The correct answer is option B.
Explanation:
A scientific model is physical,conceptual or mathematical representation of real phenomena or process which cannot be directly observed.
A drawing of a atom is a scientific model to understand the or to get picture of it in an individual mind. Atom are smallest unit of the matter which are not visible to human eyes.
A light powered microscope is an instrument which works on principles of reflection, refraction, and optics in physics which.
Formation of cloud is also explained by the help of model. Formation of clouds is a chemical process which can not be observed or seen directly with help of healthy human eye.
So, from the given options. option which is not in accordance with the definition of scientific model is option B.
Answer:
A . hypotonic solutions , water flows into the cell
B. hypertonic solutions , water flows from cell to into the solution ...
C . isotonic solution , no net movement of water
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Answer:
4 chemicals
Explanation:
There are mainly 4 steps of gram staining.
1- crystal violet stain drained on the heat fixed slide.
2- then wash the slide and use iodine.
3- then wash the slide with water and use acetone as a decolorizer.
4- then use safranine as a counter stain.
So there are a total of 4 chemicals used named crystal violet, iodine, acetone, and safranine.
Answer:
Balanced
Explanation:
The image below is balanced because the forces are oppositely directed and have equal magnitudes.
- Based on newtons first law of motion "a body will remain at rest or continue with uniform motion unless if it is acted upon by an external force".
- The external force creates an unbalanced force resolution on a body.
- For this body, a force of 5N acts to the left
- A force of 5N acts to the right
When forces are directed this way;
Resultant = 5N - 5N = 0N
A resultant force of 0N shows a balanced body.
Answer:
Answer for question 2:
It is important to receive data from three separate locations because the more we know about the seismic waves and the places that they are more we gain for learning about them.
Explanation:
