The carbon footprint of an activity is used to assess environmental pollution. what does it measure?

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

Which units ate used to measure both velocity and speed? check all that apply

Of your good in bio kusing a series of preliminary observations; pstate a problem developed from these observations, formulate a hypothesis, design an experiment to test the hypothesis