Brown middle school is trying to become a "green school". to do this, parents, faculty and staff members are meeting to discuss ways to reduce their use of non-renewable natural resources, overall. after reviewing the government data in science classes, the faculty has asked for input from students. a list of good ideas was generated. all but one would be an excellent tactic to include in the school's plan to conserve resources. that is

option a is correct i.e.

explanation:

in context to the membrane of nerve impulse, the outer membrane of neuron is semi permeable that is only sodium ions can pass through the membrane i.e. smaller ions can pass through the membrane while larger ions cannot pass through it.

c. heat from the poles back down towards the equator.

the circled areas are referred to   as sunspots.   the sunspots are cooler than the   surrounding area.

sunspots are temporary phenomena on the photosphere of the sun that appear visibly as dark spots compared to surrounding regions. they correspond to concentrations of magnetic field flux that inhibit convection and result in reduced surface temperature compared to the surrounding photosphere.

during expiration the diaphragm relaxes, which causes the diaphragm to move downwards. the contraction of diaphragm increases the space for expansion of lungs. hence, the diaphragm relaxes and positioned downward during expiration.