Answer:
It is like an arch because it bends horizontal just like we do and the legs of the arch support the stone like our feet and legs support the weight of us.
Explanation:
Answer:
See explanation
Explanation:
Precision means the reputability of measurement and accuracy means how close a measurement is to the actual value. To get the measured mass of the acetone we need to substract the mass of the bottle from the measured mass of bottle and acetone.
The mass of the bottle is 38.0015g
⇒The mass of acetone in bottle 1= 0.7783g
⇒Mass of acetone in bottle 2= 0.7780g
⇒Mass of acetone in bottle3= 0.7786g
The measured value is near to each other. ⇒ the measurements are <u>precise</u>.
To check the <u>accuracy</u> we can compare the average value to the actual mass of the acetone.
Average of the acetone measurement is (0.7783+0.7780+0.7786)/3 = 0.7783g
The percentage of difference of the average measurement to the actual mass is = {(actual value-measured value)/actual value}x100%
={(0.7791-0.7783)/0.7791}x100%
=0.10%
So we can see the difference is very small ⇒ the measurement is accurate.
Answer:
Solids
Explanation:
Electromagnetic waves travel fastest in empty space. But they are slowest in solids
A Bronsted-Lowry acid-base is a molecule or ion that donates a hydrogen ion in a reaction.
<em>Brainliest Please?</em>
