Ecological tipping points are the<span> points where environmental problems reach threshold level causing irreversible shifts in the behavior of natural systems. These are also called thresholds where the biodiversity changes.</span>
Answer:
what is the question ❓❓❓⁉️
<span>In the west region of the US has natural sources like water, coal, oil, iron ore and lumber and there are a lot of forests and mining sites.</span>
Answer & Explanation:
<u>Properties we can Observe/measure</u> <u>Properties we can directly Infer</u>
color luminosity
parallax angle surface temperature
spectral type mass
apparent brightness radius