Answer:
I think it is D, could you tell me I am wrong
Answer: Option C) proximal convoluted tubule
Explanation:
The nephron has the proximal tubule where some water, amino acids and salts which are useful to the body are reabsorbed into the blood capillaries against concentration gradient by active transport.
Thus, the process of selective reabsorbtion takes place in the proximal convoluted tubule
The force that attracts all matter to each other is gravity, i believe.
Answer:
yes, we have summer school
G1. (G stands for gap.)
The cells makes needed proteins for the process.