Pressure and heat is the two forces
Answer:
Testing Platismatia glauca could help scientists understand which pollutants have the largest effect on lichen populations. It also may help scientists understand the current pollutant levels in the atmosphere compared to the population of lichens on the trees. This information can help them more accurately predict population changes over time.
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Angiosperms are a plant classification in which the plant beard seeds and flowers, has five flower petals, and has seeds enclosed by fruits.
