Answer:
the buttons of an elevator
Answer:
A
Explanation:
it is when people dream, the body is practically paralyzed though so it doesn't move to act out the dreams.
Answer:
A balance and a graduated cylinder.
Explanation:
<u><em>Density</em></u> is the relationship between mass and volume of a substance, the formula is:
ρ
Where m is the substance mass, and v is the volume.
If a student wants to measure the density of seawater, he or she should use a Balance, to measure the mass of the sample. And then use a Graduated cylinder, is a volumetric instrument that allows to contain liquids and then measures the exact volume of the sample.
Once the student obtains the mass and the volume, he/she has to replace the data in the density formula and so obtain the density of seawater.
Answer:
if you check then you would be able to make out the mistakes in case if you have done them and could save you some marks