What is the difference between a strong muscle contraction and a weak muscle contraction

The series of transgressions and regressions that produce cyclothems were likely produced by

What’s this animal (picture is tagged) and where is it most likely to live, rainforest or desert?

Identify the type of energy used in each action. the flexing of an arm muscle: a signal transduction process by a neuron: a ball at the top of a hill: 1. electrical energy 2. mechanical energy 3. gravitational potential energy