Amajor factor that negatively affect biodiversity isa. biological magnification b. habitat fragmentation c. contour plowingd. nonrenewable resources

Could someone me with number one you

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

What is the primary function of the nervous system?