Which activity do you think sounds the most interesting?Why? Activity 1: Work with wildlife. Activity 2: Be a friend to blind teenager. Activity 3: Clean a beach. Activity 4: Help some insects. Help me pliss​

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.

this is more of a statement than a question. is there answers to go along with this, or is it opinion based?

69 is the correct math for the amino acids

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.