Nucleotides
Each nucleotide consists of a 5-carbon sugar (deoxyribose<span>), a nitrogen containing base attached to the sugar, and a </span>phosphate<span>group.</span>
Answer:
The kidneys remove wastes and excess water from the blood to produce urine. Urine passes from the kidneys to the bladder via two narrow tubes called ureters. To discharge waste when the bladder is full, a person urinates through the urethra.
Explanation:
Convection is a form of heat transfer.Convection currents uses mass motion to transfer heat. It
moves free-moving particles of fluid (or gas)from one place to another. The
process happens because of difference occurring in temperature between the two
parts of fluid. The temperature difference causes the hot fluids to rise and the
cold fluids to sink, creating a current.
Sensational and perception
