Ecological Succession: Th area witH Ecological Succession: The process of over time in in an . Primary Succession: Starts in area with no soil or plants, and then life this new habitat.

i dont know it at allnow im just getting points at this pint

b tumor cells have a cell wall instead of a membrane

explanation:

tumor cells different from normal cells because tumor cells have a cell wall instead of a membrane.

propane is burned to provide the heat in many cooking grills. the chemical reaction for this process is shown in the equation below.

c3h8 + 5o2 ? 3 co2 + 4h2o + energy

what are the products in this chemical reaction?

3co2 + 4h2o + energy