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marysya [2.9K]
3 years ago
6

Procedure

Biology
1 answer:
lana66690 [7]3 years ago
5 0

The correct order of steps in an experiment would be:

  • Identify the variables.
  • Write out your hypothesis in an if/then format.
  • Gather your materials.  
  • Analyze the data.
  • Write your conclusion.

<h3>What is an experiment? </h3>

An experiment is a term to refer to the process by which a hypothesis is supported/disproved. The experiments serve to explain the cause-and-effect relationship according to the results obtained.

Experimentation has some important steps that we must follow to demonstrate our ideas regarding a scientific manifestation, these steps are:

  • Identify the variables: We must identify the factors that we can manipulate so that the result changes.
  • Write our hypothesis: Establish a hypothetical result that we are going to demonstrate.
  • Gather the materials: We must have all the materials and variables to be able to carry out our experiments.
  • Analyze the data: When we do an experiment we must record everything we see and then analyze it to examine each step and the procedures performed.
  • Write the conclusion: After analyzing the data obtained, we can write a conclusion about the experiment carried out and the result obtained.

Learn more about experiments in: brainly.com/question/9199868

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IF A CUBE IS 1CM ON A SIDE, CALCULATE ITS SURFACE AREA. HINT WRITE 2 points
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Answer:

Surface area of the cube = 6cm²

Volume of the cube = 1cm³

Explanation:

The surface area of a cube, which refers to the sum of all the areas of the faces of the cube can be calculated using the formula:

S.A = 6 × a²

That is; a² + a² + a² + a² + a² + a²

Where;

a = length of a side of a cube

a² = area of one side of a cube

Note that, a cube has 6 faces

According to this question, a cube has a length of 1cm on each side.

Hence, S.A = 6 × 1²

S.A = 6 × 1

S.A = 6cm²

Volume of the cube can be calculated using the formula: a³

Where a = 1

Volume = 1 × 1 × 1

Volume = 1cm³

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How does sucrose move from source to sieve?
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The sucrose move in source to sieve by active transport.

<h3>What is active transport?</h3>

Active transport is a type of transport in which the cell expends energy to move solutes against their concentration gradients. The sodium-potassium pump is an example of active transport. Active transport differs from passive transport in that the cell does not expend energy.

In this case, the sucrose moves from companion cells into source to sieve elements by active transport. This reduces the water potential of the source to sieve element  by osmosis, which increases the hydrostatic pressure.

See more about sucrose at brainly.com/question/24214907

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