The correct is the first answer.
Answer:
The flow of heat from Earth's interior to the surface is estimated at 47±2 terawatts (TW) and comes from two main sources in roughly equal amounts: the radiogenic heat produced by the radioactive decay of isotopes in the mantle and crust, and the primordial heat left over from the formation of Earth.
Sebum, a fatty substance that serves as a water repellent it also serves as a natural antibacterial and antifungal agent,
yes the skin is important not only to excrete but its also a protective organ that absorbs oxygen and nitrogen
Answer:
He should make identical stains on T-shirts and see whether different parts of the lemon will remove the stain
Explanation:
Answer:
in mitochondria ,many enzymes are produced to use in cellular respiration .it also produce energy(ATP).
Explanation:
