<span>In the passive transport, the diffusion takes place down the concentration gradient of a solute, and do not require the wxpense of energy. But sometimes, carrier proteins are used for transport of the substances who can not cross the membrane, on their own, such as water and carbon dioxide. They are polar and have some charge, therefore, are not able to cross the hydrophobic membrane without carrier proteins. So, your answer is D.</span>
Answer:
The plant will die as sunlight is key to the survival and growth of a plant.
A trait is a characteristic of someone so the answer would be
<span>D.
Matt had been naturally right-handed since birth. In high school, he
decided to start throwing left-handed after reading that there was a
shortage of left-handed pitchers in the major leagues. Matt is now
left-handed.</span>
