Identify each event as the result of mechanical weathering or chemical weathering.
the minerals in a marble statue react
with water to form acids and pores in
the structure.
a piece of rock crumbles after being
constantly thrashed by strong waves
industrial runoff forms cracks in a
rocky structure in its path.
the rocks in a region are streaked
orange after being exposed to
repeated rains.

List two limitations of natural selection

Use the drop-down menu to match the following definitions to the corresponding terms. the total variety of organisms that live in the biosphere a group of organisms that breed and produce offspring that can breed all of the biotic and abiotic factors in an area

Which statement best describes lactic acid fermentation? a. lactic acid fermentation is the first step of cellular respiration. o b. lactic acid fermentation is the final step of cellular respiration. re to berate c. in the absence of oxygen, cells release atp by breaking down lactose into glucose. e der lade res o d. in the absence of oxygen, cells release atp by breaking down glucose into lactate. ar