3 years ago

Science always begins with what?

Chemistry

1 answer:

tiny-mole [99]3 years ago

3 0

Step 7- Communicate. Present/share your results. Replicate.

Step 1- Question.

Step 2-Research.

Step 3-Hypothesis.

Step 4-Experiment.

Step 5-Observations.

Step 6-Results/Conclusion.

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The answer is B. uniform in composition.

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What are the examples of all the non metals in the first twenty element

agasfer [191]

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semimetals or metalloids.

Explanation:

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In order to dry wet clothes, we spread them on a clothline. This is because (i) spreading increases surface area (ii) clothes be

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3 years ago

Billy the friendly Robot uses 50 N of force to lift a box 2 meters in the air. How much work did Billy perform?

nexus9112 [7]

Answer:

Work done, W = 100 J

Explanation:

We have, Billy the friendly Robot uses 50 N of force to lift a box 2 meters in the air.

It is required to find the work done by Billy.

Work done by an object is given in terms of force and displacement. The formula used to find the work done is given by :

$W=Fd\\\\W=50\ N\times 2\ m\\\\W=100\ J$

So, the work performed by Billy is 100 J.

4 0

3 years ago