Answer:
Chloroplast is like an electrical system - it takes energy from the sun and uses it to power the cell just like how an electrical system uses electricity to power the appliances in a house.
Answer:
C. They have trouble moving materials in and waste products out
D. Lipid is of course a wax...
Scientists are uncertain whether VANADIUM is an essential minerals for humans.
Scientists have not been able to come to an agreement about the status of vanadium as an essential trace element in human nutrients. Previous studies have submitted that vanadium play some role in hormone, cholesterol and blood sugar metabolism.