Answer:
the concentrations of salt water because its being controlled by the scientists.
Explanation: the iv= between the control and expariment.
dv= data or out come
constant+ not changed at all
Answer:
As we have just seen, cells require a constant supply of energy to generate and maintain the biological order that keeps them alive. This energy is derived from the chemical bond energy in food molecules, which thereby serve as fuel for cells.
Explanation:
<span>The high surface tension helps the paper clip - with muchhigher density - float on the water. The property of the surface of a liquid that allows it to resist an external force, due to the cohesive nature of its molecules.</span>
aquifers yaaaaaaaay water from underground usually comes from aquifers
