Aplant dying after being exposed to poison represents a physical change true or

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

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

Recommend a strategy for incorporating sustainable human activity into a tropical rain forest biome.