Arrange these steps in the correct order to explain how a muscle fiber contracts

Which macromolecule catalyzes chemical reactions this be considered enzyme chemical reactions thus he considering enzymes

The “ecological footprint” left by a citizen of a developed nation is about four times larger than that left by a citizen of a developing nation. why is this the case?

If your client can successfully complete two or more repetitions above the desired repetition range in the last set in two consecutive workouts for any given exercise, the load should be depending on your client's current physical abilities. increased by 1-5% increased by 2-10% increased by 5-15% increased by 10-20% none of these