The control variable in any experiment is designed in order to apply the same steps of the experiment but with no change happens in the observations.
In this experiment, the student tries to know the effect of solubility of different water-soluble salts (NaCl, CaCl2 and KCO3) on the melting point of the solution. All these salts dissolve in water and give some effect on the melting point except for the sand as the sand doesn't dissolve in water.
Answer:
here u go
Explanation:
<em>The modeling tool shows exactly how different body parts form. Doctors can use models, like the one in the video, along with ultrasound pictures of a developing baby, to determine whether the embryo is growing normally and is forming the proper body structures at the correct time. If not, the doctor could inform the parents of the problem before the baby is born. Doctors could then make a plan to treat the condition, if possible.</em>
Answer:
By giving putting the patient under, giving the patient anesthesia.
What do you mean A like ?
Answer:
Explanation:
It's false unless your aunt and uncle are really your parents.
