C.<span>trees going dormant in winter to survive unfavorable conditions</span>
Answer:
A frogs heart has 3 chambers. Two atria and a single ventricle.
Answer:
to get, acquire or secure
Answer:
In this, the controlled variables are stirring and type of sugar. As more stirring might elevate the amount of sugar that dissolves, and different kind of sugars might dissolve in distinct concentrations. So, in order to make sure a fair test, there is a need to keep these variables similar for each cup of water.
Explanation: