Answer:passive transport
Explanation:
Passive transport moves molecules from high concentration to low concentration such as seeping tea
Answer:
sun
Explanation:
it gives energy to all things. light energy.
They are positively and negatively charged
Answer:
There are four major classes of biological macromolecules.1.)carbohydrates 2.)lipids 3.)proteins 4.)nuclic acids .each is an important cell component a performs a wide array of functions.
The Answer is B) support and protection because your bones protect and support your organs.
