3. Discuss the evolutionary relationships among the four classes of sponges.

What is mitosis and how does it affect change

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above

Some mining processes involve removal of large areas of earths surface in the mined region this practice causes severe environmental damage by allowing which natural process to accelerate in the affected areas? a. precipitation b. erosion c. migration d. condensation