The correct answer would be letter B, A covalent bond also known as, molecular bond is a chemical bond sharing two electrons or sharing bonds between atoms.
Answer
Nutrient loss and soil erosion
Explanation:
Endocytosis uses vesicles to move their particles into the cell & Exocytosis is the reverse of Endocytosis.
Because photosynthesis is just backwards cellular respiration. I can elaborate more if you need me to.
