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emmainna [20.7K]
3 years ago
5

What is the first step in a scientific investigation?

Biology
2 answers:
zimovet [89]3 years ago
8 0

Answer: I think a because without asking question how are u gonna know what u gonna do? Then u do reserch of the question and the c and final and b

Explanation:

harina [27]3 years ago
5 0

Answer:

a.asking questions. .......

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Which of the following is NOT a characteristic of all living things? A. reproduce asexually B. made of cells C. have a metabolis
vazorg [7]

Answer:

<em>repro</em><em>duce</em><em> </em><em>asex</em><em>ually</em>

Explanation:

Most living organisms such as animals etc reproduce sexually

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How high is the ceiling in a school gym if a volleyball thrown upward from the floor at 15 m/s barely touches the ceiling before
Harman [31]

The height of the ceiling in the school gym from the floor is 11.48m.

HOW TO CALCULATE HEIGHT OF A PROJECTILE:

  • Using one of the equations of motion as follows:

v² = u² + 2as

Where;

v = final velocity (m/s)

u = initial velocity (m/s)

a = gravitational acceleration (m/s²)

s = distance traveled (m)

According to this question,

  • The final velocity (v) of the volleyball is 15m/s
  • The initial velocity is 0m/s
  • The acceleration due to gravity is 9.8m/s

Using the formula, v² = u² + 2as, the height of the ceiling (s) can be calculated as follows:

15² = 0² + 2 (9.8) (s)

225 = 0 + 19.6s

225 = 19.6s

s = 225/19.6

s = 11.48m

Therefore, the height of the ceiling in the school gym from the floor is 11.48m

Learn more: brainly.com/question/21065813

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Difference between nervous tissue and nervous system​
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Explanation:

nervous tissue is small unit of nervous system

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You can change the appearance, size, color, and window management features of a form by setting its ____. namespace environment
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Here is a link you can use.

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