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Dominik [7]
3 years ago
5

What is scientific observation

Chemistry
1 answer:
prisoha [69]3 years ago
8 0

Answer:

Getting knowledge from the outside world with our senses, and scientific tools.

Explanation:

(e.g. a doctor watched a patient after giving them a. vaccine)

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What is the tightly stretched membrane that forms the entrance to the middle ear called?
leva [86]

Answer:

I'm so happy to help you with this question!! The answer is tympanic.

Explanation:

The middle ear is separated from the outer ear by the eardrum, or tympanic  membrane, a thin piece of tissue stretched tight across the ear canal. Sounds hit the eardrum, making it move.

I really hope this helps you!! :)

7 0
3 years ago
The boiling point of isopropyl alcohol is 82.5°C. a student conducts an experiment and finds a boiling point of 83.1°C. what is
zlopas [31]

Answer:

B. 0.7%

Explanation:

Given data:

Actual boiling point = 82.5°C

Experimental boiling point = 83.1°C

Percent error = ?

Solution:

Formula:

Percent error = ( actual value - experimental value / actual value )×100

by putting values,

Percent error = (82.5°C - 83.1 °C /82.5°C) × 100

Percent error = 0.007 × 100

Percent error = 0.7 %

Negative sign shows that experimental value is greater than accepted value. It can not written in result.

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Find the volume of an object that has a mass of 20g and density of 184 glcm
expeople1 [14]
Volume= Mass/ Density= 20/184
= 0.108 cubic cm
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How are Newton's three laws of motion related
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How are nucleic acids and proteins similar?
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