Which three statements provide reasons that scientists are considering renewable sources of energy? most renewable resources are clean and nonpolluting. renewable resources can be replenished. renewable resources are conventional resources. most renewable resources are easily available in nature. all renewable resources are cost effective. a.) most renewable resources are clean and nonpolluting. b.) renewable resources can be replenished. c.) renewable resources are conventional resources. d.) most renewable resources are easily available in nature. e.) all renewable resources are cost effective.

its actually a b and d . Conventional energy means the energy source which is obtained from fixed reserves in nature like oil, gas and coal. In other words conventional energy is also termed as non-renewable energy sources, or fossil fuels. so c is wrong

A.) Most renewable resources are clean and nonpolluting.

B.) Renewable resources can be replenished.

D.) Most renewable resources are easily available in nature.

passive transport is a movement of biochemicals and other atomic or molecular substances across cell membranes without need of energy input. unlike active transport, it does not require an input of cellular energy because it is instead driven by the tendency of the system to grow in entropy.

so, according to what that says, i believe it's hypertonic and hypotonic.

good luck!

friedrich meischer discovered it in white blood cell