Answer
a balance and a graduated cylinder
Explanation
Density is mass per unit and it is property characteristic of a substance. The arrangement of the mass of atoms and their size is what determines the the density of a substance.
For a student to measure the density of seawater he/she is required to use a balance and a graduated cylinder where a balance will be used to measure the mass of the mineral sample and then a graduated cylinder to determine the volume.
D phytoplankton i believe
Water
stones
plastic plants
hope this helps!
In the direction of the applied force
Poor blood circulation will likely reduce the contraction power of a person's myosin.
<span>Myosins are motor proteins and they play a major role in muscle contraction and in a wide range of other motility processes in eukaryotes.
They depend on the ATP and are also responsible for actin-based motility.
</span>They are also used to produce <span>mechanical energy that is </span>used in various body<span> functions such as muscle movement and contraction.</span>
