How do most primary producers make their own food?
select one:
a. by breaking down remains to make carbon dioxide
b. by changing water into carbon dioxide
c. by using light energy to make carbohydrates
d. by using chemical energy to make carbohydrates

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

45 points how are people today being protected from tsunamis? earthquake data is analyzed to detemrine if a tsunami is likely, and if so, warnings are sent out. areas in tsunami risk zones are no longer heavily populated. radar is used to measure wave heights regularly. meteorologists study the winds to determine if wave heights will be large.

Which of these parts of the membrane large moecules pass through it ?