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e-lub [12.9K]
3 years ago
14

C3ll therory state that all living things are composed of cells, and are the basic units of life. Why do scientists refer to it

as cell theory instead of cell hypothesis?
A Since we haven't checked every organism for ourselves, we cannot call it hypothesis.


B It explains what happens in cells, so it cannot be a hypothesis.


C All of the evidence collected supports the idea of why we believe this


D It is an idea that is held by more than just one scientist









PLZ help i will give you Brainliest ​
Biology
1 answer:
elena-14-01-66 [18.8K]3 years ago
3 0

Explanation:

brainly.com/question/22853579

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Serggg [28]

Answer:

i) Rusting occurs the least in tubes 2 and 3 because either of air and water which are necessary for rusting is absent in the two tubes respectively.

ii) Rusting occurs most in tube 1 because both air and water which are necessary for rusting are present.

Explanation:

Rusting is a chemical change which involves a redox reaction. During the process of rusting, metallic iron is oxidized to hydrated iron (iii) oxide by oxygen present in air.

For rusting to take place effectively, each of these three factors mist be available: metallic iron, oxygen and water.

In the figure above, the iron nails in the three tester tubes will rust to different extents based on the availability of the three factors.

In test tube 1, the iron nails will rust the most because all the three factors: metallic iron, oxygen present in air, and water are abundantly present.

In test tube 2, the iron nails will rust the least or not at all because boiling of water removes dissolved oxygen from water and the oil layer above the boiled water prevents entry of oxygen from air. Thus, the nail do not rust because one of the three factors for rusting to take place, in this instance, oxygen is absent.

In test tube 3, the iron nails rusts the least or not at all as well because moisture or water is absent. Calcium chloride, a drying agent removes all the moisture from inside the tube. Hence, even though air is present, rusting do not occur as there is no moisture or water present.

7 0
3 years ago
Who or what comprised 3 or the parts: all living things are made of cells, cells are the basic unit of life, all cells come from
Sveta_85 [38]

Answer:

Cell theory

Explanation:

Cell theory is a universal theory proposed by three scientists namely: Theodor Schwann, Mathias Schleiden and Rudolf Virchow in the 1830's. The cell theory compose of three components:

- All living things are made up of one or more cells.

- Cells are the basic and fundamental unit of life

- All cells emanate from pre-existing cells.

Based on this question, these three components are what makes up the CELL THEORY.

8 0
3 years ago
Solid, crystal-like substances that are formed in the kidneys due to not drinking enough water or high levels of protein, sodium
Ludmilka [50]

Answer:

The correct answer is - stones.

Explanation:

Kidney stones are medically called renal calculi or urolithiasis. These are normally hard and very small minerals and salts made stones that deposites inside your kidneys. Kidney stones can be formed due to several reasons such as an unhealthy diet with higher salt, soda, and sugar constituents, high dose of minerals, dehydration, or less drinking water

To decrease the risk of forming kidney stones or if one is experiencing kidney stone should drink enough water which helps to remove formed or forming deposits of minerals.

3 0
3 years ago
Read 2 more answers
imagine that one woman smokes, and another woman does not smoke. how might their likelihood of getting lung cancer differ?
Pavel [41]
The one who doesn’t smoke has a very low chance of getting lung cancer as the one who does make has a good change of getting lung cancer. Which makes there health different which also makes there also makes there Likelihood of getting lung cancer differ.
7 0
3 years ago
How is a nuclear envelope similar to a cell membrane
Bond [772]

Answer:

It is similar because the nuclear envelope is a membrane similar to the cell membrane around the whole cell. There are pores and spaces for RNA and proteins to pass through while the nuclear envelope keeps all of the chromatin and nucleolus inside. When the cell is in a resting state there is something called chromatin in the nucleus.

Explanation:

6 0
3 years ago
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