Answer:
all species emerge by natural selection
Explanation:
The order of levels of organization from smallest to largest is Specialized Cells, Cardiac Muscle, Heart.
Answer:
<u>Option-(B):</u> It is between the layer "C" and "F".
Explanation:
- While the nonconformity is the geological or we can say the environmental effects which represents the specialized for of rock layers being formed in the a variety of patterns inside the planet Earth's structure.
- The process of unconformity indicates erosion and the passage of time in a rock record. While the indications of unconformity is seen in the rock diagram shown above.
Answer : B) In step 2, there was a chemical change which was observed in sugar.
Explanation : In A step 2 there was a physical change that was seen. By just boiling the dissolved salt solution salt was obtained. Therefore, it is a physical change. In B step 2 there was a chemical change seen as sugar solution was thickened and turned brown. It was not obtained in its original form; there was a chemical reaction that took place during sugar evaporation. As chemical change is the one where the reaction is irreversible.
Therefore only in B step 2 there was a chemical change that was observed.