Answer:
size and density of a trees rings can give information on past climates
Explanation:
Both Liberia and Ethiopia has still not been colonized yet. Since Ethiopia is larger than Liberia; the correct answer to your question is Ethiopia.
plz mark brainlest
The scientist will publish it and do further observations in order for it to be 100% accurate
<span>An indicator species is an organism whose presence, absence or abundance reflects a specific environmental condition. Indicator species can signal a change in the biological condition of a particular ecosystem, and thus may be used as a proxy to diagnose the health of an ecosystem. For example, plants or lichens sensitive to heavy metals or acids in precipitation may be indicators of air pollution. Indicator species can also reflect a unique set of environmental qualities or characteristics found in a specific place, such as a unique microclimate. </span>
