If extinction is a normal part of ecosystems, and mass extinctions have happened before, why should humans be concerned about the rising extinction rate? What do current extinctions tell us about our impact on modern environments?

we're terrible at keeping the earth clean and we know that lol

Explanation:

idrk

odds are decent that your handwriting right now looks a little bit different than it did five years ago, and will look different again in five more. when i look back through my notebooks from middle school to now, i see a long, slow progression from meticulous and teeny letters to bigger, sloppier ones, plus a few side detours: sometime in high school, for example, i decided those loopy cursive lowercase f’s were just the coolest, adopting them as the lone rep for cursive in my otherwise all-print handwriting.

explanation: