circle the answer 2 help please Assignment

circle the answer 2 help please

QUESTION 1

Which is considered a fossil fuel?

Coal

Solar

Wind

Hydrothermal

2 points  

QUESTION 2

Which is considered a physical science?

Physics

Biology

Zoology

Botany

2 points  

QUESTION 3

Refrigeration has been used since the late 1800s and early refrigerants were

Safe

Flammable and toxic

Inert

Fluorine compounds, CFCs

2 points  

QUESTION 4

The smallest concentration listed below is

Parts per million

Parts per trillion

Parts per billion

Parts per thousand

2 points  

QUESTION 5

Which activity comes first in the scientific method?

Conclusion

Hypothesis

Experimentation

Observation

2 points  

QUESTION 6

A patient’s body weight is 158 pounds which is equivalent to

82.1 kg

34.8 kg

348 kg

71.7 kg

2 points  

QUESTION 7

The measurement 0.0000043 m, expressed correctly using scientific notation is

4.3 x 10-7

4.3 x 10-6

4.3 x 106

0.43 x 10-5

 
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